OSAKA - Researchers at the University of Osaka are developing a rapid diagnostic kit for severe fever with thrombocytopenia ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. When COVID-19 started sweeping across America in the spring ...

Whether you’re testing before heading back to work or want to check your own Covid status before traveling or heading to an event, there are a number of good rapid Covid tests that you can buy online ...