The United States is witnessing a dramatic resurgence of measles, a disease once declared eliminated in the country nearly 25 years ago. The Centers for Disease Control and Prevention (CDC) has reported 800 measles cases in 2024 so far, with outbreaks spanning at least 25 states. The alarming uptick comes amid a surge of new infections reported across Texas and neighboring states, prompting renewed calls for aggressive vaccination outreach and public health preparedness.According to the CDC’s latest weekly update, the national measles count rose by 88 cases in a single week, pushing the year-to-date total to 800. A majority—94%—of these cases are linked to 10 ongoing outbreaks, most notably one sprawling across Texas, New Mexico, Oklahoma, and Kansas.Texas alone has reported almost 600 outbreak-related cases, and Gaines County has become the epicenter. Altogether, 371 cases have been reported in Gaines County, and 24 other counties throughout the state have also reported infections. New Mexico, Oklahoma, and Kansas have reported 63, 12, and 37 cases, respectively. Michigan and Montana—states that hadn't experienced substantial measles activity in years—are reporting new outbreaks as well, which indicates a disturbing spread beyond initial hotspots.What is especially alarming about this outbreak is the vaccination history of the infected individuals. CDC reports indicate that an overwhelming 96% of confirmed cases were unvaccinated or of unknown vaccination status. A mere 3% of the confirmed cases had one or two doses of the MMR (measles, mumps, rubella) vaccine. Among the 800 reported cases, a minimum of 85 patients have been hospitalized. There have been three reported deaths, two of them children in Texas. Another death in New Mexico is being investigated."Numbers are probably an undercount," experts warn, with many going undiagnosed or unreported—particularly in communities with poor access to healthcare or vaccine resistance.Texas, and West Texas in specific, is still the hardest hit. The Texas Department of State Health Services (TDSHS) reported 36 new cases after April 15, bringing the total to 597. Upshur County, located in East Texas, has also been a secondary hotspot. TDSHS officials now are looking to see if the cases are part of the initial outbreak or indicate new community-level transmission.To counter the increasing threat, vaccination centers in regions such as Lubbock—close to the epicenter—have expanded hours and outreach, targeting communities with a history of low vaccination rates.The U.S. outbreak is not isolated. International travel has been a strong contributor to the reentry and spread of the virus. Multiple Mexican cases have been epidemiologically connected to the outbreak in Texas, and three Colorado cases are under investigation following travel to Mexico. A Pennsylvania resident, meanwhile, was diagnosed with measles after travel to Texas, though the specific site of exposure is unclear.Canada's persistent outbreak, specifically in Ontario, also fueled the spread, as Michigan authorities traced Montcalm County cases back to Canadian infections. Such cross-border linkages underscore the imperative for worldwide containment of measles and strong immunization systems across the globe.What is Driving US Measles Outbreak?Measles is also a very contagious airborne disease, transmitting by sneezing and coughing. An infected person alone can infect 90% of non-vaccinated individuals in the vicinity. The virus even lasts in air and on surfaces for two hours after an infected person has already exited the room.Health authorities attribute the epidemic of measles to:Lowered Vaccination Levels – Most of the recent cases have been seen in populations with lower than recommended measles-mumps-rubella (MMR) vaccination coverage. Some parents continue to refuse or postpone vaccination, putting their children and populations at risk.Global Travel – Measles is more common in parts of Africa, Asia, and Europe, and unvaccinated travelers can bring the virus to the U.S.Delayed Medical Treatment – The majority are undiagnosed or not reported in the early stages, leaving the virus unchecked.A Threat to Measles Elimination StatusThe United States of America officially eliminated measles in 2000, when uninterrupted transmission of the virus had lasted for more than a year. But as cases increase, the status of the country's elimination is threatened."That … would occur after 12 months of continuous circulation of the same strain," said Dr. David Sugerman, a senior CDC scientist, at a recent advisory session. If the virus keeps circulating through early 2026, the U.S. may forfeit its measles elimination status a major public health loss.What You Must Know About Measles?Measles is preceded by the symptoms of fever, cough, runny nose, and reddish watery eyes. Then comes a typical red rash starting at the hairline and radiating downward.The virus is among the most infectious illnesses that have ever affected human beings. A contaminated individual can infect as many as 90% of unprotected people around him or her, and the virus will remain airborne and on surfaces for as long as two hours after infection.The MMR vaccine is still the best prevention. Two doses provide around 97% protection. The CDC encourages everyone particularly children, healthcare providers, and travelers abroad, to stay current on their vaccinations. Unvaccinated travelers must be vaccinated at least two weeks prior to travel to prevent possible exposure overseas.