Pharmaceutical giant AstraZeneca said Tuesday its EU supply chains would only be able to deliver half of an expected supply of Covid-19 vaccines to the bloc in the second quarter—but that it would look...

Highly promising vaccines have recently emerged for COVID-19, but this doesn’t mean research into other treatments can slow down. There is still no cure for the disease, and people will likely continue...

In early August, a handful of national media stories reported on a study from Duke University about face masks and COVID-19. The stories appeared to report something new, but they got it wrong. The stories...

US surpasses 5M coronavirus cases More than 97,000 children tested positive for coronavirus in last two weeks of July; Bryan Llenas reports on the latest. The U.S. reached five million coronavirus cases...

As people in the U.S. mark six months of coronavirus, the challenges of coping with life during a pandemic continue to evolve. Most recently, reopening of parts of society under unsettled conditions and...