vaccines

JOHN WHYTE: Welcome, everyone. You're watching Coronavirus in Context. I'm Doctor John White, the Chief Medical Officer at WebMD. So who exactly needs…

Vaccines don’t last forever. This is by design: Like many of the microbes they mimic, the contents of the shots stick around only as long as it takes the body to eliminate them, a tenure on the order of days, perhaps a few weeks.What does…

Updated at 9:28 a.m. on September 21, 2021.For nearly two years now, Americans have lived with SARS-CoV-2. We know it better than we once did. We know that it can set off both acute and chronic illness, that it spreads best indoors, that…

JOHN WHYTE: Welcome, everyone. You're watching Coronavirus in Context. I'm Doctor John White, the Chief Medical Officer at WebMD. So who exactly needs…

How he told Fortesa LatifiI was hiking on a mild winter's day in eastern Tennessee. It was Saturday and I was wearing my favorite hoodie, you know, the one that fits you so well you keep it for a decade. But that day, something felt…