It's once again the time of year for an uptick in illnesses such as colds, the flu, COVID and RSV. Here are the signs and ...

The Mayo Clinic warns COVID-19 and the common cold share similar symptoms, especially early in the onset.

Americans are in the throes of flu season in large swaths of the country. Data − from traces in wastewater to hospitalizations − show higher levels of flu virus circulating in most of the U.S. So far ...

The sudden appearance of this symptom could be your body's alarm bell going off, a top infectious disease MD explains.

We’re in the thick of flu season; high flu levels are present in many parts of the United States right now. The virus tends to run rampant from October to early May, with flu activity peaking from ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

The keto flu is a temporary condition that causes symptoms similar to those of influenza. It typically happens in the first days or weeks of starting the ketogenic diet and is a result of various ...