Will fears about the newly discovered Omicron variant pan out or is it just a lot of hype? Too early to tell, an expert warns.

A new freeze-dried vaccine formula that looks a lot like green cotton candy has potential for use as a COVID-19 vaccine that wouldn't need refrigeration.

Voice assistants like Alexa, Siri, and Google Assistant answer health questions, but how reliable is the info? New research reveals room to improve.

Low wind speeds and stale air are associated with as much as 45% higher incidence of contracting COVID-19 when people socialize outside, researchers say.

New mothers who lost income during the pandemic and reported feelings of discrimination were less likely to take their infants for their first vaccinations.

COVID-19 spit tests that contain the right preservative can also help the study of microscopic organisms in the mouth. That could lead to new treatments.

An analysis of all 50 states' school COVID-19 policies finds widespread discordance and variation, both among states and within them.

Skipping out on time spent in parks and other forms of nature during COVID's first year took a toll on the mental health of teens and young adults.

The combined evidence in a new paper is like a "flashing red arrow pointing to the Huanan market as by far the most likely site of origin" for COVID-19.

New research confirms an earlier study that the antidepressant fluvoxamine prevents some of the most serious complications of COVID-19.