Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.

In the time warp that COVID-19 created in most of our lives, it's hard to believe it's been five years since any of us first heard of a mysterious illness making people sick in China. But it was Dec.

NEW YORK — A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the new coronavirus popped up in the U.S. in December 2019 — ...

SARS-CoV-2, the virus that causes COVID-19, is part of a group of viruses known as coronaviruses. Hundreds of coronaviruses exist in animals, but only seven of these coronaviruses are known to cause ...

BEIJING, CHINA - JANUARY 21: A Chinese girl wears a protective mask as she is held by a relative as they wait to board a train at Beijing Railway station before the annual Spring Festival on January ...

“The COVID-19 pandemic caused not only millions of hospitalizations and over a million deaths in the United States but a widespread and enduring mental health crisis.” That is the conclusion of a ...

Scientists conducting research on novel coronaviruses at the Wuhan Institute of Virology were the first humans to contract COVID-19, according to a new report. “Patients zero” included Ben Hu, Ping Yu ...