NPR has obtained the government's $5.3 billion contract for the first 10 million courses of Paxlovid, an antiviral pill for COVID-19. Here's what's in it.
The first big hurdle was crossed when Pfizer shared its clinical trial data with the FDA. Now there are five more steps to get through before this vulnerable population can be vaccinated.
Microglia are amoeba-like cells that scour the brain for injuries and invaders. But sometimes the usually helpful cells go into overdrive and damage the brain, researchers say.
People who get infected with omicron are less likely to go to the hospital, go on a ventilator or die. But with the current huge volume of patients, hospitals are still struggling to treat them all.
The roughly 7 million Americans who are immunocompromised — including many people with disabilities — live with much higher risk of COVID-19, and near-constant vigilance.
The Food and Drug Administration is curbing the use of two out of three monoclonal antibody treatments because new data shows they aren't effective against the omicron variant.
So far the government has distributed about 300,000 doses of Evusheld, a new drug that protects against COVID-19. Some 7 million Americans could benefit from the drug right away.
Recent research and anecdotes suggest people are testing negative on rapid tests even after they have symptoms, then later testing positive. Here's what researchers think is going on.