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 ...

A new COVID-19 variant called "Stratus" has been circulating in Oklahoma, and the state's positive test rate has been higher than the national average during the summer months. Stratus is the ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we've changed, too. Our B cells and T cells, ...

COVID-19 severity appears to be declining among hospitalized children as the Omicron variant continues to evolve.

SAN FRANCISCO (KGO) -- There are multiple COVID-19 variants circulating the Bay Area, making it harder for this pandemic to be under control. ABC7 News reporter Luz Pena got an exclusive look at a ...

Mark Cameron was part of the rapid-response research team when the SARS (Severe Acute Respiratory Syndrome) outbreak hit Toronto in the early 2000s. Now a faculty member in Population and Quantitative ...

SAN FRANCISCO -- A case of the coronavirus variant was detected in Southern California Wednesday, while a second suspected case has been identified in Colorado. According to officials, the COVID-19 ...

COVID-19 cases continue to climb week-over-week as summer draws to a close, according to U.S. health data. Some regions of the United States are experiencing higher rates of positive COVID-19 tests ...

Cases of the new COVID-19 variant NB.1.8.1, a descendent of the Omicron variant, are on the rise in some parts of the world, according to the World Health Organization (WHO). Currently, there are not ...

A highly transmissible COVID-19 strain is driving a surge of infections across the United States. Nicknamed 'Stratus,' the XFG strain has been spreading in various parts of US. Recent reports suggest ...