Study hints, can't prove, survivor plasma fights COVID-19 Mayo Clinic researchers reported a strong hint that blood plasma from COVID-19 survivors helps other patients recover, but it’s not proof and some experts worry if, amid clamor for the treatment,... AP NEWS

Mayo Clinic researchers reported a strong hint that blood plasma from COVID-19 survivors helps other patients recover, but it’s not proof and some experts worry if, amid clamor for the treatment, they’ll ever get a clear answer.

Africa begins continent-wide study of COVID-19 antibodies JOHANNESBURG (AP) — An Africa-wide study of antibodies to the coronavirus has begun, while evidence from a smaller study indicates that many more people have been infected than official numbers... AP NEWS

JOHANNESBURG (AP) — An Africa-wide study of antibodies to the coronavirus has begun, while evidence from a smaller study indicates that many more people have been infected than official numbers show, the Africa Centers for Disease Control and Prevention said Thursday.

Biden calls for nationwide mask mandate WILMINGTON, Del. (AP) — Joe Biden is calling for a nationwide protective mask mandate, citing health experts’ predictions that it could save 40,000 lives from coronavirus over the next... AP NEWS

WILMINGTON, Del. (AP) —  Joe Biden is calling for a nationwide protective mask mandate, citing health experts’ predictions that it could save 40,000 lives from coronavirus over the next three months.

”Wearing the mask is less about you contracting the virus,” Biden said. “It’s about preventing other people from getting sick.”

European countries fight coronavirus surge Germany and Greece record their highest daily cases, while Spain and France reach a "tipping point". BBC News

Germany has recorded its biggest daily increase in coronavirus cases in more than three months as European countries struggle to curb a surge in infections.

More than 1,200 cases were reported in Germany in the past 24 hours. Officials said the rise was due, in part, to people returning from holidays.

It came as Germany warned against non-essential trips to parts of Spain.

Meanwhile, France had 2,524 new cases in 24 hours, the highest daily rise since its lockdown was lifted in May.

Why Some People Are Waiting Weeks for Their COVID-19 Test Results Labs and agencies are grappling with supply shortages, logistical challenges, and a lack of federal guidance Time

....As the United States struggles to control the COVID-19 pandemic, people across the country are using Twitter to announce the arrival of their virus test results. The point of these tweets is not just to broadcast the result itself, but to point out the absurdity of receiving a result so stale that it’s almost completely useless from a public health standpoint.