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 ...

Two tests are apparently better than one. Starting today, anyone looking to take a rapid COVID-19 test at any of the 27 Miami-Dade County-run testing sites will have to also take a PCR test, ...

More than two years after the World Health Organization (WHO) declared an end to the emergency phase of the Covid-19 pandemic ...

As the various subvariants of omicron continue to circulate in the U.S., rapid at-home tests remain an important tool for protecting yourself and others. Home tests are appealing because they allow ...

Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...