COVID-19 Basics

Some people have said that inhaled steroids, like the kind prescribed for people with asthma, treat COVID-19. But so far, no studies have been done.

Doctors have done several studies to see if hydroxychloroquine treats or prevents COVID-19. It doesn’t. And it might cause other health problems.

Early data suggests that if given early to hospitalized patients, remdesivir may be of benefit for those with moderate to severe COVID-19.

There have been no confirmed cases in the scientific literature of people being infected a second time by the virus that causes COVID-19.

The COVID-19 death rate is down from its peak. But there are a few reasons for that, and the rate will probably rise again soon, so stay vigilant!

The 1918 flu pandemic holds lessons for today’s COVID-19 pandemic.

There is evolving data about whether COVID-19 transmission commonly occurs by aerosol transmission. For most people, the answer to this scientific debate probably won’t make a huge difference in the...

Mathematical models have been used to predict the spread of COVID-19 and are updated when new data are available.

The coronavirus that is causing this pandemic probably infected bats before it jumped to humans.

New research shows that infected people with no symptoms sometimes have abnormal CT scans. But it also suggests they can get others sick for weeks!