Health and Me

Ishita Roy

Dengue on the Rise: How Climate and Geography Are Shaping A Growing Threat

Dengue on the rise: how climate and geography impact dengue

As we observe the <span>National Dengue Day</span>, let us look at how dengue impacts Indians on a day to day life. As per a 2019 study published in the<em> International Journal of Infectious Diseases</em>, in January 2019, the World Health Organization (WHO) announced their new 5-year strategic plan, the Thirteenth General Programme of Work 2019-23 to ensure that one billion more people in the world enjoy the benefits of better health and well being. Among the 10 highest priority health issues presented, dengue was identified as one of the four main infections threatening global health. 

The WHO defines dengue as a viral infection transmitted to humans through the bite of infected mosquitoes. 

Dengue (break-bone fever) is a viral infection that spreads from mosquitoes to people and is common in tropical and subtropical climates. 

Most people who get dengue do not have symptoms. however, for those who do, the most common symptoms are high fever, body aches, nausea, and rash. While most get better in 1-2 weeks, some people develop severe dengue and need care in a hospital. In severe cases, dengue too could be fatal. 

<ul><li>high fever (40°C/104°F)</li><li>severe headache</li><li>pain behind the eyes</li><li>muscle and joint pains</li><li>nausea</li><li>vomiting</li><li>swollen glands</li><li>rash</li></ul>

As per a recent study published in journal Nature, titled <em>Dengue dynamics, predictions, and future increase under changing monsoon climate in India</em>, "the global burden of dengue is escalating under the influence of climate change, with India contributing a third of the total". 

The study notes the non-linearity and regional heterogeneity inherent in the climate-dengue relationship and the lack of consistent data, which makes it difficult to make useful prediction for its prevention. 

Dengue is a mosquito-borne viral disease transmitted primarily by female Aedes mosquitoes, particularly Aedes aegypti and to a lesser extent, Aedes albopictus, when they feed on human hosts. According to data from the National Center for Vector Borne Diseases Control (NCVBDC), dengue cases in India have quadrupled from 2015 to 20203, the study notes.

<strong>ALSO READ: <a href="https://www.healthandme.com/health-news/national-dengue-day-2025-theme-importance-significance-and-origin-article-151650395" data-type="tilCustomLink">National Dengue Day 2025: Theme, Importance, Significance, and Origin</a></strong>

Dengue fever is a climate-sensitive disease and is also influenced by changes in meteorological conditions. Dr Sathvik Jain, who is the Chief Medical Officer at SDM Multi Speciality Hospital, Ujire, notes that rising temperatures and erratic rainfall increase mosquito lifespan and biting frequency. It also expands breeding sites by filing containers and potholes, and accelerate viral replication within mosquitoes by shortening the extrinsic incubation period. 

"In urban areas, poor drainage and rapid construction intensify these effects, while in rural areas, inconsistent water access often leads to the use of open containers for storage, which become ideal breeding grounds for mosquitoes," notes Jain. 

"Dengue seasons are becoming longer and less predictable as warmer climates enable mosquitoes to survive year-round and erratic rainfall leads to multiple breeding cycles. To adapt, public health strategies must shift to year-round surveillance, use of climate-based predictive models and maintain continuous awareness campaigns beyond peak seasons," he remarks. 

<h4>Is Geography Also A Factor In Dengue Cases?</h4>

Dr Jain explains that urban and rural areas face unique challenges in dengue prevention. In urban settings, high population, poor waste management, inadequate drainage contribute to increased mosquito breeding and rapid disease transmission.

Conversely, rural areas grapple with limited healthcare access, lower public awareness and use of uncovered water storage due to poor infrastructure. "Despite these differences, a common and effective solution lies in Integrated Vector Management (IVM), which combines environmental control, biological methods such as introducing larvivorous fish, safe chemical interventions, and sustained public awareness campaigns. Community-led efforts—centered on education and active participation are crucial in ensuring the long-term success of these strategies in both settings," he notes. 

<h4>The Challenges That Comes With Specific Geography</h4>

Urban areas face significant gaps in dengue management, There’s an overreliance on fogging, which has limited impact without proper larval control, and inadequate housing regulations that fail to prevent mosquito entry and breeding, the doctor explains. 

In rural areas, challenges include delayed diagnosis due to a lack of healthcare facilities and trained personnel, limited access to mosquito repellents and bed nets, and weak disease surveillance and reporting systems, all of which hinder timely response to outbreaks.

Dr Jain explains 5-key steps which could be included to prevent Dengue:

<ol><li>Eliminate stagnant water regularly (containers, plant trays, gutters).</li><li>Report symptoms early and seek treatment to reduce severe cases.</li><li>Use protective measures: mosquito nets, repellents, and clothing.</li><li>Participate in local clean-up drives and awareness sessions.</li><li>Promote climate-resilient behavior: e.g., managing rainwater properly.</li></ol>

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As we observe the National Dengue Day, let us look at how dengue impacts Indians on a day to day life. As per a 2019 study published in the International Journal of Infectious Diseases, in January 2019, the World Health Organization (WHO) announced their new 5-year strategic plan, the Thirteenth General Programme of Work 2019-23 to ensure that one billion more people in the world enjoy the benefits of better health and well being. Among the 10 highest priority health issues presented, dengue was identified as one of the four main infections threatening global health. What Is Dengue?The WHO defines dengue as a viral infection transmitted to humans through the bite of infected mosquitoes. Dengue (break-bone fever) is a viral infection that spreads from mosquitoes to people and is common in tropical and subtropical climates. Most people who get dengue do not have symptoms. however, for those who do, the most common symptoms are high fever, body aches, nausea, and rash. While most get better in 1-2 weeks, some people develop severe dengue and need care in a hospital. In severe cases, dengue too could be fatal. Common Dengue Symptomshigh fever (40°C/104°F)severe headachepain behind the eyesmuscle and joint painsnauseavomitingswollen glandsrashDengue And Its Impact In IndiaAs per a recent study published in journal Nature, titled Dengue dynamics, predictions, and future increase under changing monsoon climate in India, "the global burden of dengue is escalating under the influence of climate change, with India contributing a third of the total". The study notes the non-linearity and regional heterogeneity inherent in the climate-dengue relationship and the lack of consistent data, which makes it difficult to make useful prediction for its prevention. Dengue is a mosquito-borne viral disease transmitted primarily by female Aedes mosquitoes, particularly Aedes aegypti and to a lesser extent, Aedes albopictus, when they feed on human hosts. According to data from the National Center for Vector Borne Diseases Control (NCVBDC), dengue cases in India have quadrupled from 2015 to 20203, the study notes.ALSO READ: National Dengue Day 2025: Theme, Importance, Significance, and OriginClimate Relationship And DengueDengue fever is a climate-sensitive disease and is also influenced by changes in meteorological conditions. Dr Sathvik Jain, who is the Chief Medical Officer at SDM Multi Speciality Hospital, Ujire, notes that rising temperatures and erratic rainfall increase mosquito lifespan and biting frequency. It also expands breeding sites by filing containers and potholes, and accelerate viral replication within mosquitoes by shortening the extrinsic incubation period. "In urban areas, poor drainage and rapid construction intensify these effects, while in rural areas, inconsistent water access often leads to the use of open containers for storage, which become ideal breeding grounds for mosquitoes," notes Jain. "Dengue seasons are becoming longer and less predictable as warmer climates enable mosquitoes to survive year-round and erratic rainfall leads to multiple breeding cycles. To adapt, public health strategies must shift to year-round surveillance, use of climate-based predictive models and maintain continuous awareness campaigns beyond peak seasons," he remarks. Is Geography Also A Factor In Dengue Cases?Dr Jain explains that urban and rural areas face unique challenges in dengue prevention. In urban settings, high population, poor waste management, inadequate drainage contribute to increased mosquito breeding and rapid disease transmission.Conversely, rural areas grapple with limited healthcare access, lower public awareness and use of uncovered water storage due to poor infrastructure. "Despite these differences, a common and effective solution lies in Integrated Vector Management (IVM), which combines environmental control, biological methods such as introducing larvivorous fish, safe chemical interventions, and sustained public awareness campaigns. Community-led efforts—centered on education and active participation are crucial in ensuring the long-term success of these strategies in both settings," he notes. The Challenges That Comes With Specific GeographyUrban areas face significant gaps in dengue management, There’s an overreliance on fogging, which has limited impact without proper larval control, and inadequate housing regulations that fail to prevent mosquito entry and breeding, the doctor explains. In rural areas, challenges include delayed diagnosis due to a lack of healthcare facilities and trained personnel, limited access to mosquito repellents and bed nets, and weak disease surveillance and reporting systems, all of which hinder timely response to outbreaks.What Can Be Done?Dr Jain explains 5-key steps which could be included to prevent Dengue:Eliminate stagnant water regularly (containers, plant trays, gutters).Report symptoms early and seek treatment to reduce severe cases.Use protective measures: mosquito nets, repellents, and clothing.Participate in local clean-up drives and awareness sessions.Promote climate-resilient behavior: e.g., managing rainwater properly.

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Scientists Used CRISPR, The Nobel Prize-Winning Gene Editor, To Urgently Treat A  Sick Baby

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On just the second day of the newborn baby JK Muldoon's life, doctors noticed something was not right. While all babies sleep a lot, the doctors noticed that he was unusually sleepy. When a doctor raised his arm, it trembled and dropped limply. 

This is when the doctors noticed something and ran blood test. It revealed that the baby had high levels of ammonia in his body. The baby was suffering from carbamoyl-phosphate synthetase 1 (CPS1) deficiency. This is an ultra-rare genetic disorder that affects the liver's ability to breakdown ammonia. 

Half of babies with CPS 1 deficiency don’t survive infancy. Those who do often face severe neurological challenges. For KJ’s parents, Kyle and Nicole, early conversations included talk of liver transplants and even comfort care.

<h4>CRISPR - genetic editing that saved the baby</h4>

Behind all this, a revolution in medicine had already been underway. For years, scientists, clinicians, and regulators had been preparing for a moment like this where gene-editing tools like CRISPR that earned the Nobel Prize in 2020 could be put to use to create a personalized treatment for rare genetic diseases. 

At Children’s Hospital of Philadelphia and Penn Medicine, researchers had been conducting "practice runs" on metabolic disorders: simulating how quickly they could create a custom therapy based on a new gene mutation. When KJ was born in August 2024, the team knew this was no longer a drill.

Dr. Rebecca Ahrens-Nicklas, a pediatrician at CHOP, and Dr. Kiran Musunuru, a cardiologist at Penn and co-founder of a gene-editing company, led a six-month sprint to develop a treatment just for KJ. Within a week of his birth, his genome was sequenced. It revealed two mutations in the gene responsible for producing an essential liver enzyme.

One of the mutations had only been recorded once before — in Japan — meaning this therapy might have just one recipient in the world.

Despite the risks and unknowns, the team moved ahead, mindful of past tragedies in experimental gene therapy. Bioethicist Lynn Wein Bush praised the team’s careful approach, saying it didn’t feel rushed, but appropriate for the severity of the disease.

Scientists across the U.S. rallied to help. The NIH funded a toxicology trial, private companies contributed time and resources, and manufacturing partners created parts of the treatment — one of which was named “kayjayguran” after KJ himself. The FDA fast-tracked regulatory processes to make the therapy available.

By February 2025, the experimental drug — made of a CRISPR-based “base editor” encased in a fat bubble — was ready. At nearly seven months old, KJ received his first dose. He slept through it.

Following the treatment, doctors gradually increased protein in KJ’s diet — something previously impossible — and began reducing ammonia-clearing medication. KJ’s health improved: he’s now eating normally, rolling over, sitting up, and reaching developmental milestones his parents feared he might miss.

He’s not cured yet. He still needs monitoring and some medication. But the early signs are encouraging, and the medical community is watching closely.

scientists use gene editing to cure a sick baby

KJ baby

baby KJ

health news

gene editing

gene editing for baby

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rare genetic disorders

On just the second day of the newborn baby JK Muldoon's life, doctors noticed something was not right. While all babies sleep a lot, the doctors noticed that he was unusually sleepy. When a doctor raised his arm, it trembled and dropped limply. This is when the doctors noticed something and ran blood test. It revealed that the baby had high levels of ammonia in his body. The baby was suffering from carbamoyl-phosphate synthetase 1 (CPS1) deficiency. This is an ultra-rare genetic disorder that affects the liver's ability to breakdown ammonia. Half of babies with CPS 1 deficiency don’t survive infancy. Those who do often face severe neurological challenges. For KJ’s parents, Kyle and Nicole, early conversations included talk of liver transplants and even comfort care.CRISPR - genetic editing that saved the babyBehind all this, a revolution in medicine had already been underway. For years, scientists, clinicians, and regulators had been preparing for a moment like this where gene-editing tools like CRISPR that earned the Nobel Prize in 2020 could be put to use to create a personalized treatment for rare genetic diseases. At Children’s Hospital of Philadelphia and Penn Medicine, researchers had been conducting "practice runs" on metabolic disorders: simulating how quickly they could create a custom therapy based on a new gene mutation. When KJ was born in August 2024, the team knew this was no longer a drill.Dr. Rebecca Ahrens-Nicklas, a pediatrician at CHOP, and Dr. Kiran Musunuru, a cardiologist at Penn and co-founder of a gene-editing company, led a six-month sprint to develop a treatment just for KJ. Within a week of his birth, his genome was sequenced. It revealed two mutations in the gene responsible for producing an essential liver enzyme.One of the mutations had only been recorded once before — in Japan — meaning this therapy might have just one recipient in the world.Despite the risks and unknowns, the team moved ahead, mindful of past tragedies in experimental gene therapy. Bioethicist Lynn Wein Bush praised the team’s careful approach, saying it didn’t feel rushed, but appropriate for the severity of the disease.A Nationwide EffortScientists across the U.S. rallied to help. The NIH funded a toxicology trial, private companies contributed time and resources, and manufacturing partners created parts of the treatment — one of which was named “kayjayguran” after KJ himself. The FDA fast-tracked regulatory processes to make the therapy available.By February 2025, the experimental drug — made of a CRISPR-based “base editor” encased in a fat bubble — was ready. At nearly seven months old, KJ received his first dose. He slept through it.Signs Of ProgressFollowing the treatment, doctors gradually increased protein in KJ’s diet — something previously impossible — and began reducing ammonia-clearing medication. KJ’s health improved: he’s now eating normally, rolling over, sitting up, and reaching developmental milestones his parents feared he might miss.He’s not cured yet. He still needs monitoring and some medication. But the early signs are encouraging, and the medical community is watching closely.

scientists used crispr, the nobel prize-winning gene editor, to urgently treat a sick baby

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<span>Scented candles</span> have taken the market by storm. Known to be therapeutic, these candles are quickly making their way into our houses. However, researchers have raised the flag over the toxicity of one of its components—Terpenes. A new study has shown that particles eliminated from burning scented wax melts indoors can create a "tremendous amount" of <span>indoor air pollution</span>, similar to that created by pollution caused by diesel engines. Intrestingly, <span>Terpenes</span> are the components that give wax candles its scent. 

Since these particles actively alter indoor air chemistry, they could have significant health implications. The processes should be considered in the design and operation of buildings and their HVAC systems to reduce the exposure.  Zepbound helped nearly 25% more participants lose more than 15% of their weight compared to Wegovy, Lilly said on Sunday.

Trial also showed that treatment with Terpenes are naturally occurring volatile organic compounds (VOCs) found in many plants and are commonly used in household products like air fresheners, scented candles, cleaning agents, and essential oils. While they contribute pleasant aromas, terpenes can significantly impact indoor air quality through chemical reactions that produce harmful pollutants.

<h2>How Terpenes Contribute To Indoor <span rel="noindex">Air Pollution</span></h2>

When terpenes are released indoors, they can react with oxidants such as ozone (O₃) and hydroxyl radicals (OH), leading to the formation of secondary pollutants:([PubMed][1])

Secondary Organic Aerosols (SOAs): These are fine particulate matters formed from the oxidation of terpenes. SOAs can penetrate deep into the respiratory system, potentially causing health issues.([PubMed][1])

Formaldehyde: A known irritant and potential carcinogen, formaldehyde can form as a byproduct of terpene reactions.([PubMed][2])

Ultrafine Particles: Particles smaller than 100 nanometers can result from these reactions, posing risks due to their ability to enter the bloodstream.

These reactions are particularly concerning in enclosed spaces with limited ventilation, where pollutant concentrations can accumulate to levels that may affect human health.

Notable Study: Purdue University Research on Scented Wax Melts

A study conducted by Purdue University investigated the impact of scented wax melts on indoor air quality. The researchers found that burning these products releases terpenes, which react with indoor ozone to form nanoparticles. The concentration of these particles was comparable to those emitted by diesel engines, highlighting a significant source of indoor pollution. The study emphasized the need for further research into the health implications of these particles and suggested that building designs and ventilation systems should account for such chemical processes to minimize exposure.  

Scented Candles

Air pollution

Indoor Air Pollution

Terpenes

Scented Candles Harmful Effects

Scented candles have taken the market by storm. Known to be therapeutic, these candles are quickly making their way into our houses. However, researchers have raised the flag over the toxicity of one of its components—Terpenes. A new study has shown that particles eliminated from burning scented wax melts indoors can create a "tremendous amount" of indoor air pollution, similar to that created by pollution caused by diesel engines. Intrestingly, Terpenes are the components that give wax candles its scent. Since these particles actively alter indoor air chemistry, they could have significant health implications. The processes should be considered in the design and operation of buildings and their HVAC systems to reduce the exposure.  Zepbound helped nearly 25% more participants lose more than 15% of their weight compared to Wegovy, Lilly said on Sunday.Trial also showed that treatment with Terpenes are naturally occurring volatile organic compounds (VOCs) found in many plants and are commonly used in household products like air fresheners, scented candles, cleaning agents, and essential oils. While they contribute pleasant aromas, terpenes can significantly impact indoor air quality through chemical reactions that produce harmful pollutants.How Terpenes Contribute To Indoor Air PollutionWhen terpenes are released indoors, they can react with oxidants such as ozone (O₃) and hydroxyl radicals (OH), leading to the formation of secondary pollutants:([PubMed][1])Secondary Organic Aerosols (SOAs): These are fine particulate matters formed from the oxidation of terpenes. SOAs can penetrate deep into the respiratory system, potentially causing health issues.([PubMed][1])Formaldehyde: A known irritant and potential carcinogen, formaldehyde can form as a byproduct of terpene reactions.([PubMed][2])Ultrafine Particles: Particles smaller than 100 nanometers can result from these reactions, posing risks due to their ability to enter the bloodstream.These reactions are particularly concerning in enclosed spaces with limited ventilation, where pollutant concentrations can accumulate to levels that may affect human health.Notable Study: Purdue University Research on Scented Wax MeltsA study conducted by Purdue University investigated the impact of scented wax melts on indoor air quality. The researchers found that burning these products releases terpenes, which react with indoor ozone to form nanoparticles. The concentration of these particles was comparable to those emitted by diesel engines, highlighting a significant source of indoor pollution. The study emphasized the need for further research into the health implications of these particles and suggested that building designs and ventilation systems should account for such chemical processes to minimize exposure.  

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As flu cases spike and COVID-19 continues to be a lingering threat, a lot of people are faced with a familiar question: can you receive your influenza and COVID-19 vaccines simultaneously? With both viruses this year, timing and how you get vaccinated are more important than ever. Planning out vaccine schedules is complicated, but new scientific findings and public health recommendations provide clarity and convenience. Here's an in-depth rundown of everything you should know to remain safe this season.

Both respiratory viruses can lead to serious illness and even death, particularly among high-risk groups. Although the COVID-19 pandemic has been making headlines for years, flu is a significant public health threat, with yearly outbreaks rushing millions to hospitals around the globe.

Vaccines are still the best protection against these diseases. They do more than just lower the risk of infection; they also lower the severity if you do become infected. And yet, even when widely available, many have trouble keeping up with recommended vaccinations- a process referred to as "<span>vaccine fatigue</span>." For many, having multiple vaccination visits squeezed into already full schedules contributes to the problem.

The good news is that you can now get your flu and COVID-19 vaccines in one visit. The Australian Department of Health supports this method as safe and effective. This two-in-one vaccination method not only saves time but also motivates more individuals to have both vaccines without delay.

Healthcare professionals, such as GPs and pharmacists, are now providing simultaneous vaccinations, appreciating the advantage of convenience without sacrificing safety. This will enable patients to reduce the inconvenience of multiple appointments and gain early protection against both viruses.

<h2>Should You Get the Shot Same Arm or Different Arms?</h2>

One question many have when receiving two vaccinations simultaneously is where the two shots should be given, same arm or separate arms. Although this has traditionally been a matter of individual choice or healthcare provider discretion, new studies indicate that there could be immunological benefits.

Animal model studies suggest that co-injecting the COVID-19 mRNA vaccine and the <span>flu vaccine</span> in the same arm may enhance immunity. The adjuvant effect built into the COVID vaccine—a lipid molecule that activates immunity—may have the ability to enhance the flu vaccine's impact if the vaccines are injected close together. But this is still an experimental area, and current clinical guidelines accept either option depending on comfort and convenience.

Early in the COVID vaccine rollout, health authorities advised spacing COVID-19 vaccines from other vaccines by a minimum of 14 days. This was out of caution because there was limited data then. Presently, with strong evidence in place, the Centers for Disease Control and Prevention (CDC) and global health agencies have revised their recommendations. COVID-19 vaccines may be given at the same time as other vaccines, such as the flu shot, without added risk.

This update eliminates barriers to logistics and allows individuals to remain up to date on all their vaccinations in one health care visit.

Experts stress not delaying either shot to time perfectly. The flu vaccine should ideally be given in early fall—September or October—so the immunity is up during the time of maximum influenza activity. If your COVID booster eligibility doesn't fall exactly together, it's best to take your flu shot on schedule and have the COVID booster as soon as it is available.

Those who are at greater risk, including immunocompromised persons and adults aged 65 and older, tend to be eligible for COVID boosters earlier and can take advantage of concurrent vaccination more easily. For the general population, flu shots should not be postponed until COVID booster availability, since both vaccines offer critical, time-sensitive protection.

<h2>Why Getting Both Shots Is Important?</h2>

The combined risk of COVID-19 and flu poses real threats to public health. Last season's flu was unusually light, arguably a result of universal COVID precautions such as masking and social distancing. As these behaviors loosen and social engagement picks up, the potential for a harsher season of the flu grows.

COVID-19 remains to circulate worldwide, new variants like the JN.1 subvariant triggering revised booster recommendations. Vaccination continues to be a bulwark to decreasing hospitalization, severe disease, and mortality from both viruses.

In the United States alone, COVID-19 has resulted in more than 650,000 fatalities, compared to the million-plus medical appointments and thousands of deaths caused by the flu during the 2019-2020 season. These numbers clearly highlight the critically important role dual vaccination plays, particularly as we navigate the ongoing changing dynamics of viral respiratory infections.

With the onset of flu season and ongoing COVID-19 cases, it is more critical than ever to remain current on vaccinations. The ease of getting flu and COVID vaccines at the same time eliminates a major barrier to safeguarding individual and public health.

If you have yet to get your flu vaccine, get it as soon as possible, don't hold off on your COVID booster if it hasn't been scheduled. Similarly, if you're due for a COVID vaccine or booster, don't delay getting one. You're helping keep yourself and the rest of the community safe, particularly those at highest risk of complications.

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flu vaccine

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flu and covid vaccine together

is it safe to get flu and covid shot

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cdc vaccine guidelines

As flu cases spike and COVID-19 continues to be a lingering threat, a lot of people are faced with a familiar question: can you receive your influenza and COVID-19 vaccines simultaneously? With both viruses this year, timing and how you get vaccinated are more important than ever. Planning out vaccine schedules is complicated, but new scientific findings and public health recommendations provide clarity and convenience. Here's an in-depth rundown of everything you should know to remain safe this season.Both respiratory viruses can lead to serious illness and even death, particularly among high-risk groups. Although the COVID-19 pandemic has been making headlines for years, flu is a significant public health threat, with yearly outbreaks rushing millions to hospitals around the globe.Vaccines are still the best protection against these diseases. They do more than just lower the risk of infection; they also lower the severity if you do become infected. And yet, even when widely available, many have trouble keeping up with recommended vaccinations- a process referred to as "vaccine fatigue." For many, having multiple vaccination visits squeezed into already full schedules contributes to the problem.The good news is that you can now get your flu and COVID-19 vaccines in one visit. The Australian Department of Health supports this method as safe and effective. This two-in-one vaccination method not only saves time but also motivates more individuals to have both vaccines without delay.Healthcare professionals, such as GPs and pharmacists, are now providing simultaneous vaccinations, appreciating the advantage of convenience without sacrificing safety. This will enable patients to reduce the inconvenience of multiple appointments and gain early protection against both viruses.Should You Get the Shot Same Arm or Different Arms?One question many have when receiving two vaccinations simultaneously is where the two shots should be given, same arm or separate arms. Although this has traditionally been a matter of individual choice or healthcare provider discretion, new studies indicate that there could be immunological benefits.Animal model studies suggest that co-injecting the COVID-19 mRNA vaccine and the flu vaccine in the same arm may enhance immunity. The adjuvant effect built into the COVID vaccine—a lipid molecule that activates immunity—may have the ability to enhance the flu vaccine's impact if the vaccines are injected close together. But this is still an experimental area, and current clinical guidelines accept either option depending on comfort and convenience.Early in the COVID vaccine rollout, health authorities advised spacing COVID-19 vaccines from other vaccines by a minimum of 14 days. This was out of caution because there was limited data then. Presently, with strong evidence in place, the Centers for Disease Control and Prevention (CDC) and global health agencies have revised their recommendations. COVID-19 vaccines may be given at the same time as other vaccines, such as the flu shot, without added risk.This update eliminates barriers to logistics and allows individuals to remain up to date on all their vaccinations in one health care visit.Experts stress not delaying either shot to time perfectly. The flu vaccine should ideally be given in early fall—September or October—so the immunity is up during the time of maximum influenza activity. If your COVID booster eligibility doesn't fall exactly together, it's best to take your flu shot on schedule and have the COVID booster as soon as it is available.Those who are at greater risk, including immunocompromised persons and adults aged 65 and older, tend to be eligible for COVID boosters earlier and can take advantage of concurrent vaccination more easily. For the general population, flu shots should not be postponed until COVID booster availability, since both vaccines offer critical, time-sensitive protection.Why Getting Both Shots Is Important?The combined risk of COVID-19 and flu poses real threats to public health. Last season's flu was unusually light, arguably a result of universal COVID precautions such as masking and social distancing. As these behaviors loosen and social engagement picks up, the potential for a harsher season of the flu grows.COVID-19 remains to circulate worldwide, new variants like the JN.1 subvariant triggering revised booster recommendations. Vaccination continues to be a bulwark to decreasing hospitalization, severe disease, and mortality from both viruses.In the United States alone, COVID-19 has resulted in more than 650,000 fatalities, compared to the million-plus medical appointments and thousands of deaths caused by the flu during the 2019-2020 season. These numbers clearly highlight the critically important role dual vaccination plays, particularly as we navigate the ongoing changing dynamics of viral respiratory infections.With the onset of flu season and ongoing COVID-19 cases, it is more critical than ever to remain current on vaccinations. The ease of getting flu and COVID vaccines at the same time eliminates a major barrier to safeguarding individual and public health.If you have yet to get your flu vaccine, get it as soon as possible, don't hold off on your COVID booster if it hasn't been scheduled. Similarly, if you're due for a COVID vaccine or booster, don't delay getting one. You're helping keep yourself and the rest of the community safe, particularly those at highest risk of complications.

with flu on the rise and covid still lurking, can you get your new vaccinations together?

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