Researchers say around 70% of the US needs to get the coronavirus vaccine to stop the pandemic. But questions around the vaccines and regional differences add some uncertainty to that estimate.

Going out in the cold won't necessarily lead to you getting a cold. But cold weather in general is more hospitable to viruses, so it's wise to take steps to keep your immune system strong.

In September, production of rapid tests really ramped up in the US. But due to low accuracy and massive numbers needed, these tests alone are unlikely to have much of an effect on the pandemic.

COVID-19 cases are skyrocketing across the US. Testing has ramped up over the past few months, but increasing hospitalizations, deaths and test-positivity rates show that the virus is out of control.

Many people object to the added ingredients in vaccines. But pharmacists explain why those fears are unwarranted.

COVID-19 and holiday family gatherings are not a good pair. But taking the right precautions before, during and after the family gets together can greatly reduce coronavirus risk this holiday season.

Some have suggested the US allow healthy people to return to normal life, catch the coronavirus and get the population to herd immunity. The science says this plan is doomed to fail from the start.

Are antibodies that attack a patient's own organs contributing to severe forms of COVID-19? A new study suggests specific antibody tests that may reveal the answer.