Measles is most infectious disease known to science. Adults should consider getting another MMR vaccine

Measles is a highly infectious disease that has caused millions of deaths since the 20th century. Although several countries were declared measles-free, cases are resurfacing due to a declining vaccine coverage caused by vaccine hesitancy. The MMR vaccine, being the principal weapon against measles, provides immunity not only to children but also to adults. As immunity can wane over time, adults should consider getting another MMR vaccine to help restore herd immunity and protect vulnerable populations, including infants and pregnant women. Vaccine hesitancy is a complex problem, and researchers are striving to understand its full scope. Despite evidence confirming the safety and efficacy of MMR, widespread misinformation has resulted in rising measles cases.

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