COVID-19 Basics

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!

About one out of ten people with COVID-19 report having a headache.

Scientists think they might be able to track the novel coronavirus in sewage, which is one way to help public health workers locate and respond to COVID-19 outbreaks.

COVID-19 remains a public health emergency. But many people are weighing this against another public health emergency: the real and deadly effects of racism.

No, your race doesn’t directly increase your chance of getting COVID, but where you live and work does. Sometimes your zip code is more important than your genetic code.

There will be an increase in COVID-19 cases as states reopen, but there are ways you can keep yourself safe.

Wearing a mask and other social distancing activities won’t weaken your immune system because it has built-in resilience.