An expert digs into what to make of the recent COVID vaccine guidance changes—and whether you will be eligible for a shot this fall.

Sabrina Assoumou says so-called "super-dodgers" could teach scientists a lot about the virus that causes COVID.

New research digs into how optimism and pessimism affect well-being when facing stress, such as during the COVID pandemic.

A new discovery offers a deeper understanding of how genetic factors influence susceptibility to COVID-19 infection.

"...with this cohort the evidence is clear that by having COVID numerous times, patients became more at-risk for developing long COVID."

"...receiving your booster shot at the right time can make a significant difference in your protection against infection."

Long COVID-19 is making it harder for people to pay their bills, buy groceries, and keep their utilities on, researchers report.

New combination tests for flu and COVID-19 are here. An expert explains everything you need to know about the new tests.

New research in mice finds that having recovered from COVID had a protective effect against the worst effects of the flu.

New research on the origin of COVID is "like finishing the last piece of a puzzle showing a picture that has been pretty clear already."