US: Some Rapid Antigen Tests May Not Detect Omicron Effectively, Dr. Fauci Says -
theold - 29-12-2021
PCR tests are generally estimated to be around 98% accurate at detecting COVID-19 infections when used correctly. But rapid tests can come back in as little as 15 minutes at home, where PCR tests must be sent to a lab and take a few hours at minimum for results—and often take days.
https://www.self.com/story/rapid-tests-omicron