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

For a long time, we viewed COVID testing as something you do for your own health, but home PCR testing represents a way you can easily protect those vulnerable people in your life without cutting them ...

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

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

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

Based on the most recent COVID-19 wastewater detection and test positivity data made available by the county, cases of ...

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

New breakthrough research suggests that a common, over-the-counter nasal spray used to treat allergies may protect against ...

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

The active ingredient in a common over-the-counter allergy spray may do more than ease hay fever symptoms. A new clinical ...

CHARLOTTE, N.C. — With students across North Carolina back in school, emergency room visits related to COVID-19 symptoms have been climbing steadily since the start of July, prompting renewed interest ...

I experienced the strangest bout of deja vu two weeks ago. I heard of one or two people testing positive for covid in recent weeks but didn’t think too much of it until a sore throat one morning ...