How Easily Can Vaccinated People Spread COVID? Vaccination is the best protection against infection. But when breakthroughs do occur, a very basic question still has an unsatisfying answer. Yasmin Tayag The Atlantic

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Breakthrough infections are still happening, and they can lead to transmission. But we still don’t know just how widely that spread actually happens.

Pentagon: Oklahoma Guard must comply with vaccine mandate "It is a lawful order for National Guardsmen to receive the Covid vaccine. It is a lawful order," Defense Department press secretary John Kirby told reporters. Quint Forgey POLITICO

The Pentagon's top spokesperson on Monday insisted Defense Secretary Lloyd Austin had the authority to require National Guard members to get vaccinated against Covid-19, despite new resistance from Oklahoma's highest-ranking military official.

Biden picks ex-FDA chief Robert Califf to again lead agency WASHINGTON (AP) — President Joe Biden on Friday chose Dr. Robert Califf, a former Food and Drug Administration commissioner and prominent medical researcher, to again lead the powerful regulatory agency. AP NEWS

WASHINGTON (AP) — President Joe Biden on Friday chose Dr. Robert Califf, a former Food and Drug Administration commissioner and prominent medical researcher, to again lead the powerful regulatory agency....

Covid is surging in Europe. Experts say it’s a warning for the U.S. Eastern Europe's deadly Covid-19 surge is a warning of the dangers of low vaccine uptake, experts say. NBC News

As Europe finds itself at the center of the Covid-19 pandemic once again, experts say it should serve as a warning to the U.S. and other countries about the coronavirus’s unremitting nature. 

The governor of Tennessee signed a sweeping bill into law that prohibits businesses from mandating COVID-19 vaccinations and imposes limits on schools There must be at least 1,000 confirmed COVID-19 cases for every 100,000 residents within a 14-day period before schools can enforce mask-wearing, according to the new law. Yelena Dzhanova Business Insider

Tennessee Gov. Bill Lee on Friday signed a bill into law that bars private businesses from requiring proof of vaccination against the coronavirus.