Medically reviewed by Kate Colby, MPH 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 ...
You can exhibit COVID-19 symptoms yet test negative due to early infection, low viral load, or immune response. PCR testing and repeated checks help ensure accurate detection and safety.
With conflicting information from federal and state agencies over the past month, we set out to clarify the facts about the ...