Explainer: Information on Measles

What to know about measles | CNN Measles, one of the world’s most contagious infectious diseases, can cause serious complications – such as blindness, pneumonia or encephalitis, swelling of the brain – and even turn deadly, especially in children younger than 5. Jacqueline Howard CNN

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“About 1 in 5 unvaccinated people in the US with measles will be hospitalized, and as many as 1 in 20 children with measles will get pneumonia, which is the most common cause of death from measles in young children,” Dr. Melissa Stockwell, a professor of pediatrics at Columbia University’s Vagelos College of Physicians and Surgeons, said in an email.

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