The Trump administration officially started the process of withdrawing from the World Health Organization. “Operation Warp Speed,” the government’s program to fast-track Covid-19 vaccine development, signed its largest deal so far, allocating $1.6 billion to the pharmaceutical company Novavax. Plus, an update on testing issues in hotspots across the country.

Brazilian President and prominent virus skeptic Jair Bolsanaro has Covid-19. In Israel, the health minister stepped down because officials weren’t heeding her advice. 

And in headlines: the Movement For Black Lives proposes legislation to transform the criminal justice system, Russia and China discourage marmot hunting, and Mike Pompeo wants the teens to get off TikTok.