While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

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 ...

One is widespread but has key shortages across its supply chain. One remains questionably reliable and is only helpful after the fact. And one is still early in development – but could speed up and ...

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.

SYRACUSE, N.Y. — A recent spike in COVID-19 cases comes as more people are relying on at-home COVID-19 test kits. While they do play a role in the fight against the virus, public health experts say ...

At-home coronavirus tests are in high demand amidst the Omicron surge. You can buy "rapid" antigen tests, or PCR tests, which are the "gold standard" and are usually processed in a lab. Some states ...

Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...

In a little-reported announcement on Tuesday, Chris Minns, the recently-elected premier of New South Wales (NSW), declared that his government would shut down all of the temporary Polymerase chain ...