Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test ...

A feasibility study in Germany found that concertgoers strongly supported medical detection dogs for COVID-19 screening, with ...

Here’s what to know about the latest COVID strain — and how to tell if your at-home test is still good to use.

Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a ...

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

A phase 2 study shows that azelastine nasal spray lowered coronavirus infection rates to 2.2% compared to 6.7%, researchers ...

An everyday hay fever spray may do more than tame sneezes. In a rigorously run German trial, adults who used azelastine nasal ...

It's hard to predict COVID infections, but rates are high and growing throughout the country. Here’s what you should do to ...

A new biotechnology company in McKinney has ambitions to become the world’s first fully integrated platform for polymerase chain reaction (PCR) testing — the same technology behind a common COVID-19 ...

Results from a single-center randomized controlled trial published yesterday in JAMA Internal Medicine show that azelastine, ...

Azelastine nasal spray was associated with a reduced risk for SARS-CoV-2 infection, according to the results of a phase 2 ...