A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass General Brigham found that taking high doses of vitamin ...

Though COVID-19 isn’t the global health emergency it once was, it remains a critical issue that requires ongoing attention.¹ More than 37,000 COVID-19–related deaths were reported in the United States ...

Changes in the vaccine advisory process in the United States have disrupted immunization guidance, which reinforces the need for independent evidence review to inform decisions regarding immunization ...

This is read by an automated voice. Please report any issues or inconsistencies here. A study of 24,337 female patients found that COVID-19 is associated with a 2.47 hazard ratio for local breast ...

Nirmatrelvir–ritonavir has been shown to reduce progression to severe illness from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in unvaccinated high-risk outpatients. The effectiveness ...

COVID-19 may increase the risk of Alzheimer’s disease, especially for those who experience a severe infection. COVID-19 causes inflammation and other physiological changes in the brain that are ...