The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...
Here's what to know about flu symptoms in 2025, how to tell if it's something else, and how to protect yourself: But there are some differences. COVID-19 can show up later than the cold or flu ...
Hospital visits in Illinois due to flu are "quite high," with COVID and RSV also circulating. But what are the symptoms of ...