Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.

COVID-19 vaccination showed effectiveness in reducing hospitalizations and severe disease outcomes associated with the SARS-CoV-2 JN.1 lineage, according to a recent study published in JAMA Network ...

With fall, and by extension, respiratory illness season, underway, COVID-19 cases have continued to fluctuate nationwide. Some regions of the United States are experiencing "very high" and "high" ...

The XFG variant of the severe acute respiratory syndrome coronavirus 2 as continued to spread as the U.S. heads into peak Summer travel season. (Photo by I RYU/VCG via Getty Images) There’s another ...

With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

Stanford's potential universal vaccine promises to shield against COVID, flu, and more. Could one spray change how we fight ...

COVID-19 vaccinations were shown to reduce virus-related hospitalizations and severe disease-associated outcomes in immunocompetent adults. The findings from a recently published JAMA Network Open ...

Co-infection of influenza virus and SARS-CoV-2 can lead to more severe disease than infection of either alone.

A dismantled health infrastructure leaves the U.S. incredibly vulnerable, warns infectious-disease expert Michael Osterholm.

A large study from Massachusetts found that babies whose mothers had COVID-19 while pregnant were slightly more likely to have a range of neurodevelopmental diagnoses by age 3. Most of these children ...