The performance of some home testing kits for covid-19 appears to have declined as the omicron variant emerged, suggests a study published by The BMJ today. The findings, based on three widely used ...

In an address to the nation today, President Joe Biden outlined his administration’s plans to battle the omicron variant. The federal government plans to purchase 500 million rapid COVID-19 test kits ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...