Trained dogs can sniff out COVID-19 infection

Dear Doctors: Our kids are obsessed with a story they heard from a friend that dogs can tell when someone is sick with COVID-19. Is that accurate?

I've read dogs can smell diabetes and cancer, but smelling a virus seems far-fetched.

Might this have diagnostic value, or is it just a fun fact?

Dear Reader: Your children will be happy to hear that, yes, specially trained dogs have proven to be quite goo…