You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...
Roche plans to start selling a higher-volume COVID-19 antigen test for laboratories by the end of the year as the Swiss drugmaker expands diagnostics for the pandemic.
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback