Masks prevent people from transmitting the coronavirus to others, scientists now agree. But a new trial failed to document protection from the virus among the wearers.
Tag: Annals of Internal Medicine
Why the Coronavirus Seems to Hit Men Harder Than Women
Women mount stronger immune responses to infection, scientists say. And in China, men smoke in much greater numbers.
One More Time, With Big Data: Measles Vaccine Doesn’t Cause Autism
A 10-year look at more than 600,000 children comes at a time when anti-vaccine suspicion is on the rise again.