COVID-19 has taken away so much. An immunology researcher describes the good it may leave behind.

Whether about a comet hitting the Earth or a virus infecting the world, fear-based messages often do not succeed at changing people’s behaviors.

People often try to seem confident and certain in their message so it will be trusted and acted upon. But when information is in flux, research suggests. you should be open about what you don’t know.

Drug manufacturers often shun the use of placebos in clinical trials. But research suggests that placebos could play an important role in the treatment of depression, pain and other maladies.

Dogs have such sensitive noses that they can be trained to detect the odors of crop pests, endangered species, illegal drugs – and diseases like COVID-19.

Life-saving blood is needed for everything from treating cancers and chronic conditions to helping trauma victims. But blood donations have dropped to crisis levels during the pandemic.

A computational study shows that dozens of mutations help the virus’ spike protein evade antibodies that target SARS-CoV-2.

Studies suggest seniors without the booster shot run a higher risk of infection and hospitalization from the omicron variant.

Some of the omicron variant’s unique properties – such as its ability to spread rapidly while causing milder COVID-19 infections – could usher in a new phase of the pandemic.