The CEO of Maryland-based Novavax believes U.S. Emergency Use Authorization (EUA) for the company’s protein-based COVID-19 vaccine could happen “within weeks.”

A roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines includes the use of miniature lungs and colons to help test Covid-19 treatments.

British scientists analyzing data from a widely used Covid-19 symptom-tracking app have found there are six distinct types of the disease, each distinguished by a cluster of symptoms.

Some 170 people who spent time in Yosemite National Park in recent weeks have suffered from a gastrointestinal ailment “consistent with norovirus” and two have been diagnosed with the illness, park officials said.

The old adage that drinking beer before wine prevents hangovers turns out to be a myth, German researchers say.