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 ...
MRSA screening is a low risk procedure used to determine whether you have MRSA on your skin or a MRSA infection. Antibiotic treatments are available if you test positive. MRSA is a type of ...