Historically, COVID-19 symptoms have been fevers or chills, cough, shortness of breath, cough, congestion or a runny nose, ...

Isolation should be extended if your symptoms ... difficulty breathing or were hospitalized. How do I know have COVID-19? Signs, symptoms to watch for as variants emerge The incubation period ...

Jan. 20, 2025, marks five years since the CDC reported the first laboratory-confirmed case of COVID-19 on American soil.

In the midst of pandemic upheaval, researchers have gained fundamental insights about how the body fends off infections.

There are a few COVID symptoms that aren't normal. If you have any of these you should seek medical attention right away.