The Multnomah County Health Department (MCHD) on Thursday confirmed one case of tuberculosis at Portland's Lane Middle School. As per the Oregon Health Authority data, in 2024, 87 cases of tuberculosis were reported in Oregon, which meant it was spreading at the rate of 2.1 cases for ever 100,000 Oregon residents. “Tuberculosis is a bacteria that spreads through close face-to-face contact with an infectious individual. It is curable with medication. Because the infection progresses slowly, it’s important to be treated to prevent serious illness,” the health department said in a statement.The person who is reported to have tuberculosis may have been contagious between September 3, 2024 to May 1, 2025. The person may also have exposed others to TB, said the MCHD. “This particular individual had symptoms that were kind of mild for a while and got worse. It was eventually diagnosed like a week ago, said Dr. Richard Bruno, Health Officer with the Multnomah County Health Department.What Is Happening Now?The Health Department's Communicable Disease Team is now looking to start for a contact investigation that will help them identify individuals who may have come to contact with the person infected. The exposed individuals have also been contacted by the Health Department via an email letter. For now, the Health Department has also recommended Lane Middle School parents to be lookout for TB symptoms and report if any. The symptoms include:Persistent cough lasting 3+ weeksChest painBloodPhlegmUnexplained weight lossThe Health Department has also said that it will provide free blood tests to the school community in the coming weeks. Their efforts have made them optimistic that this will prevent a community spread. What Is Tuberculosis?As per the World Health Organization (WHO), TB is an infectious disease caused by bacteria that most often affects the lungs. It spreads through the air when people with TB cough, sneeze or spit.As per the 2017 study, titled The History of Tuberculosis: from the first historical records to the isolation of Koch's bacillus published in the Journal of Preventive Medicine and Hygiene, TB happens due to Mycobacterium tuberculosis (MT), which lasts throughout the life course and determines the formation of tubercles in different parts of the body. MT has ancient origins and have survived over 70,000 years. This also infects 2 billion people worldwide, with 10.4 million new cases each year. It is also responsible for 1.4 million deaths.Common Symptoms Include:A cough that lasts more than three weeksCoughing up blood or phlegmChest painFeverChillsNight sweatsWeight lossLoss of appetiteWeakness or fatigueFeeling generally unwellSevere Symptoms may also include:Swollen glandsBody aches and painsSwollen joints or anklesTummy or pelvic painConstipationDark or cloudy urineHeadacheBeing sickFeeling confusedA stiff neck