Health Jul 27 Why polio is extremely rare in the U.S., and how vaccines protect against the virus The oral polio vaccine – which is no longer given in the U.S. – relies on a live but weakened virus that can actually be passed from person to person.
Health Jun 30 What doctors know about lingering symptoms from coronavirus Is it possible that people who recover from COVID-19 will be plagued with long term side effects from the infection? An infectious disease physician reviews the evidence so far.
Health Jun 16 Public bathrooms carry coronavirus risks. Here’s how to be careful Public restrooms can be scary when it comes to coronavirus, and they get scarier when you look at how the virus spreads. A doctor explains how to stay safe when you're traveling and really gotta go.
Health May 19 5 questions about asymptomatic COVID-19 cases, answered People who are infected with the coronavirus but don't show any symptoms are playing a major role in spreading the virus.