One thing certain about the COVID vaccine right now is that everything about it is changing. New rules are causing confusion over who can and who can't get the updated COVID-19 shot. Health Secretary ...

NEW YORK CITY (WABC) -- Have questions about COVID-19, its variants and the vaccines? Vaccinated people are still at risk of getting sick, but a less severe illness compared to those who are ...

"If there's a variant that looks so different from any of the previous variants, we may need a more specialized kind of booster." LOS ANGELES (KABC) -- The number of new coronavirus cases globally ...

NPR's Juana Summers talks with infectious disease expert Dr. Peter Chin-Hong about the new rules regarding access to COVID-19 vaccines. UNIDENTIFIED REPORTER #1: New rules are now causing some ...

BOSTON - Dr. Mallika Marshall is answering your coronavirus-related medical questions. If you have a question, email her or message her on Facebook or Twitter. Dr. Mallika is offering her best advice, ...