Findings indicate a sharp drop in immunity after Omicron infection, stressing the necessity for updated vaccines to enhance protection against reinfection.

WASHINGTON, D.C. — The U.S. Food and Drug Administration (FDA) has granted marketing authorization for the Healgen Rapid Check COVID-19/Flu A&B Antigen ... from SARS-CoV-2, the virus responsible ...

In November 2023, the Acon Flowflex COVID-19 Antigen Home Test became the first at-home rapid antigen test cleared ... for use on people as young as 2 years old, provided that any child’s ...

A positive rapid antigen test is more likely to signal the presence of infectious SARS-CoV-2 particles than a positive PCR ...

In the COVID-19 pandemic era, at-home, portable tests were crucial for knowing when to wear a mask or isolate at home. Now, ...

A new study from researchers at Weill Cornell Medicine-Qatar (WCM-Q) reveals how the SARS-CoV-2 virus evolved from initially ...

Coronary artery lesions in patients with SARS-CoV-2 infection more likely to become high-risk plaques. (HealthDay News) — Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection ...