President Andrzej Duda, who says he's experiencing no symptoms, will self-isolate. Duda has apologized to those he came into contact with, who will need to go into quarantine.
The study is based on some assumptions under different scenarios. It suggests that if 95% of Americans wore masks in public it could drastically reduce the amount of COVID-19 deaths by February.
Most of the federal contracts with companies involved in the crash program to make COVID-19 vaccines haven't been made public. The lack of disclosure raises questions about accountability.
The 83,000 surpasses the previous record from mid-July by about 6,000. In addition, 943 people died from COVID-19 on Friday. Cases of the virus have been rising in the U.S. since mid-September.
Eviction bans were supposed to keep tenants in their homes amid the pandemic. But an investigation found landlords pressured tenants, especially immigrant workers, to move out when they couldn't pay.
The U.S. is heading into its third coronavirus spike since the start of the pandemic, with rural communities in the Midwest bearing the brunt of this latest surge in infections.
A medical student and first-year resident looked for infection spikes in towns that hosted Trump rallies. The data isn't as clear cut as many might like.
Rachel Martin speaks with former Food and Drug Administration commissioner Dr. Mark McClellan about this week's FDA advisory panel on COVID-19 vaccine research.