How well do COVID-19 rapid antigen tests work? Is a single antigen test enough?
Testing and Contact Tracing
Chana Davis, PhD
COVID-19 rapid antigen tests detect the SARS-CoV-2 virus very well when used at the right time – when viral levels are high. Repeat (serial) testing is a powerful way to catch more SARS-CoV-2 infections and reduce false negatives. In a recent study, COVID-19 rapid antigen tests detected the virus roughly 80% of the time when Read more…
COVID-19 rapid antigen tests detect the SARS-CoV-2 virus very well when used at the right time – when viral levels are high. Repeat (serial) testing is a powerful way to catch more SARS-CoV-2 infections and reduce false negatives. In a recent study, COVID-19 rapid antigen tests detected the virus roughly 80% of the time when Read more…
