Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...

Minute Molecular, the company developing the device, has high hopes for it as an efficient and accurate means of testing people at schools, workplaces and sports stadiums. Northwestern ...

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.

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

New guidelines from the U.S. Centers for Disease Control and Prevention (CDC) withdrawing their request for Emergency Use Authorization for a coronavirus test introduced in February 2020 do not mean ...