The new mid-stage trial will determine whether the coronavirus shot is effective on people between the ages of six and 17.
Is it better to be vaccinated against the coronavirus early in pregnancy, or closer to your due date? Here's what we know so far.
People are now left wondering whether health care systems are playing favorites with the much-sought-after vaccines.
Here's how to figure out when it's your turn to receive the coronavirus shots, where you can find appointments and more.
Cases have proliferated in part because of holiday gatherings — and compounded previous surges from Thanksgiving and the return of students to schools.
The milestone was reached just over a year after the coronavirus was first detected in the Chinese city of Wuhan.
A new twin study shows that while twins are very alike, it is not a perfect similarity.
Aurora Medical Center said an employee admitted to intentionally ruining 500 doses of a vaccine by removing them from refrigeration.
President-elect Joe Biden warned last week that the "darkest days" of the pandemic are yet to come.
The significantly more contagious strain could already be in the U.S., though undetected, the CDC warns.