In most scenarios, highly effective contact tracing and case isolation is enough to control a new outbreak of COVID-19 within 3 months. The probability of control decreases with long delays from ...

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms (including "razor blade throat") and when to take a test.

©Somedaygood/iStock via Getty Images Gestation and Post-Laying As the eggs are laid underground, the incubation period is in isolation without help from the mother. Incubation time depends on the ...