COVID-19 has been found in pets, zoo animals and in a wild mink in Utah. Monitoring wildlife for COVID-19 is important for animals and humans, both of whom face risks from a jumping virus.

Will the British variant’s transmissibility upset summer plans?

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.

As the coronavirus rages, a vaccine finally is available for certain groups of people and will soon be ready for other groups. But there are plenty of questions. A doctor answers five here.

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.

Winter weather forces us to congregate inside but evidence suggests cold, dry air also helps spread respiratory viruses.

New guidance from the CDC says that 15 minutes of exposure – regardless of whether that occurs at one time – can result in transmission of the coronavirus.

Aerosols of some FDA-approved food coloring could deactivate airborne viruses.

In places where everyone wears a mask, cases of COVID-19 seem to be less severe. Evidence from labs and outbreaks suggests that masks protect not only others, but the person wearing the mask, too.

Good ventilation can reduce the risk of catching coronavirus. An environmental engineer explains how to know if enough outside air is getting into a room and what do to if ventilation is bad.