For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and rapid antigen (sometimes just called “rapid tests”). The two tests work in ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...

“Infectious diseases don’t respect borders,” says Khoa Thai, a clinical microbiologist at the Star-shl medical diagnostics laboratory in the Netherlands. To limit their spread, we need a globally ...