It's officially flu season. You've been invited to a get-together with friends and would love to attend, but have been ...

A global aviation manual now under review by a UN body suggests global guidelines calling for the use of highly reliable tests when screening passengers to detect the novel coronavirus ahead of ...

Countries straining to contain a second wave of COVID-19 are turning to faster, cheaper but less accurate tests to avoid the delays and shortages that have plagued efforts to diagnose and trace those ...

The best way to know if a sore throat is a COVID symptom is to take a test.