PCR tests, pre-departure checks and self-isolation are back for travellers arriving in the UK. Weeks after international travel rules were eased to allow cheaper and faster lateral flow (antigen) ...

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 ...

Reader in Bioethics and University Ethics Advisor, University of Portsmouth One positive aspect of the pandemic has been increased public understanding of epidemiology and even virus biology. However, ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...