In a recent study posted to the medRxiv* preprint server, researchers examined sample collection practices, epidemiological characteristics, and cycle threshold (Ct) values for polymerase chain ...

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.

The Bahamian government has announced updated entry requirements, suspending the mandatory RT-PCR testing for vaccinated travelers, which was scheduled to take effect on January 7, 2022. Vaccinated ...