Doctors are researching why some patients remain unconscious for days or weeks, even after sedating drugs are withdrawn. They also worry that these patients aren't being given time to recover.
The president criticized the FDA this week for not giving emergency use approval to an experimental treatment for COVID-19. Scientists argue that the therapy still lacks sufficient evidence.
The federal government is in charge of distributing one of the few treatment options for COVID-19: the antiviral drug remdesivir. But how are decisions made about which states need it most?
The National Institutes of Health has asked the Food and Drug Administration to delay allowing the use of convalescent plasma to treat COVID-19 because the proof of its effectiveness is weak.
Some COVID-19 patients have mild to moderate symptoms and recover quickly, but others suffer for months. And scientists don't know why some are more susceptible to having prolonged symptoms.
Moderna, one of the leading horses in the coronavirus vaccine race, has already made deals at between $32 and $37 a dose for some foreign countries. The U.S. price is expected to be lower.
Adjuvants play a crucial role in many vaccines' effectiveness. Some scientists say there needs to be more research into developing a wider variety of adjuvants because of how important they are.
Dr. Paul Offit, who serves on the Food and Drug Administration's vaccine advisory board, says he doesn't think an effective vaccine that's undergone adequate testing can be ready this year.
Many of the buildings where we lived out our pre-coronavirus days have been largely empty and idle.
Now, some experts are warning that idle buildings may have become breeding grounds for another disease which, like coronavirus, causes severe lung illness, pneumonia and sometimes death.
The Food and Drug Administration has approved a fast-acting nasal spray to treat suicidal patients. The spray contains a chemical cousin of the anesthetic and party drug ketamine.
With the flu season looming, public health officials urge nearly all Americans over 6 months old to get immunized starting next month. Strategize now to avoid getting the flu while COVID-19 is raging.
Vaccine candidates are in advanced clinical trials, and WHO's director-general expresses hope they will be effective. But until then, he said, the world is reliant on "the basics" of disease control.
For many cancer patients, daily life can feel full of risky choices involving work, family, friends and money. Nearly every option pits the risks of catching the coronavirus against other downsides.