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 ...

LOS ANGELES (CNS) -- Travelers at Los Angeles International Airport can now get a COVID-19 PCR test with results guaranteed in less than hour, LAX officials announced Wednesday. "We continue to see a ...

If you’re wondering if your fever, chills and body aches are a classic case of the flu or the dreaded COVID-19, your best option is to get tested. New variants are constantly circulating, as new ...

The U.S. Centers for Disease Control and Prevention is expanding how it tracks diseases among international travelers, just in time for the winter virus season. Travelers returning to four major ...

The potential for IgM cross-reactivity with rheumatoid factor–positive serum samples was observed in blood tests used to detect IgM SARS-CoV-2 by means of gold immunochromatographic and enzyme-linked ...