Decades of research show that respiratory illnesses are dramatically reduced when people wear face masks.

Rapid tests can be an incredibly useful tool for early detection of COVID-19. Unfortunately, they sometimes leave people with more questions than answers.

A lot of federal money is now available for making school buildings healthier. Two environmental health experts explain how school districts can best use it.

Early on, public health messaging focused on the need for vaccines to combat COVID-19. But far less attention has been given to the role of boosters in preventing deaths and reducing inequities.

The monkeypox virus can easily spread between humans and animals. A veterinary virologist explains how the virus could go from people to wild animals in the US – and why that could be a problem.

While the majority of monkeypox cases thus far have been recorded among men who have sex with men, everyone is still at risk of contracting the disease.

Face masks are still an effective way to help stop the spread of the BA.5 subvariant.

Sometimes wind and solar power produce more electricity than the local grid can handle. Better energy storage and transmission could move extra energy to where it’s needed instead of shutting it off.

Scientists have been testing captive and wild animals for the coronavirus since the pandemic began. Only a few wild species are known to carry the virus, but many more have been shown to be susceptible.