Mechanism Revealed Behind Loss of Smell with COVID-19

Researchers have discovered a mechanism that may explain why people with COVID-19 lose their sense of smell.

Can We Catch COVID From Our Pets?

Jumps between species provide ample opportunity for virus to change, says Benjamin tenOever.

I’m Over COVID Symptoms, but Still Testing Positive. Am I Infectious?

Infectiousness may linger beyond the 5-day isolation period recommended by the CDC

Developing COVID Vaccines: Squirts in the Nose, Not Shots in the Arm

COVID-19 vaccines delivered as nasal sprays rather than injections are in development by at least nine labs and companies around the world, according to the World Health Organization.

Nose or Throat: What’s Best for a COVID Test?

Early data support saliva testing, but it might be too early to tell.