Recent reports from France show a sudden and significant increase in the number of people visiting emergency rooms due to suspected COVID-19 infections. This surge peaked in the third week of ...

(NewsNation) — As the weather begins to change and respiratory illnesses become more common, a highly transmissible strain of COVID-19 is on the rise across the United States. Nineteen states are ...

Evidence is mounting that having COVID-19 may not protect against getting infected again with some of the new variants. People also can get second infections with earlier versions of the coronavirus ...

Northeast Wisconsin, like the rest of the state and most of the country, is experiencing 'very high flu activity.' ...

A newer COVID variant called XFG is currently fueling cases of the virus across the country. Nicknamed “Stratus,” this variant first took hold over the summer and now makes up nearly 70% of COVID-19 ...

A new flu variant fueling a fast-paced rise in cases across the state has brought with it some symptoms unlike those many ...

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" ...

As the respiratory illness season begins, COVID cases have remained relatively under control in the United States into the beginning of fall. While the United States by and large is experiencing ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...