Will COVID-19 vaccines work on the new virus strains?
A coronavirus variant in the U.K. has caused alarm because it might spread more easily. But even if that turns out to be true, experts say the COVID-19 vaccines being rolled out will likely still work on the strain.Read More
Do I have a winter health issue or COVID-19?
From winter allergies to dry air, these are the differences between a seasonal problem and the coronavirus.Read More
Will the COVID-19 vaccine cause an allergic reaction?
The percentage of people who have actually experienced an allergic reaction to the Pfizer vaccine is low. Here's everything you need to know about vaccines and allergies.Read More
How can I persuade someone to get the COVID-19 vaccine?
Medical experts say vaccine-induced herd immunity is the best way to end the pandemic. Here's what everyday Americans can do to encourage their families, friends and community members to get the vaccine.Read More
What are the treatment options for COVID-19?
There are several treatment options, and which one is best depends on how sick someone is.Read More
Public health glossary
What's the difference between quarantine and isolation? Here's a guide to the public health terms used in the coronavirus coverage.Read More
WHO's FAQ guide
See the World Health Organization's FAQ guide to get informed about the coronavirus.Read More
By the numbers
Cases by State
By the numbers
News near you