Dose box x from measles, mumps and rubella vaccines. Photo: Elaine Thompson (A.P.) A new report from the World Health Organization and the Centers for Disease Control and Prevention highlights a vague reality: Measles, a highly contagious but vaccine-preventable viral disease, infected at least 860,000 people worldwide in 2019 and …
Read More »Most people with coronavirus do not transmit it. Why do a few infect many?
At a May 30 birthday party in Texas, a man reportedly infected 18 friends and family with the coronavirus. By reading reports like these, you can think of the virus as a forest fire, instantly triggering epidemics wherever you go. But other reports tell another story entirely. In Italy, for …
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