Flu, viral fever, and COVID-19 all cause fever and respiratory symptoms, but key differences in onset, symptom patterns, ...

Fever, cough and body aches can point to flu, viral fever or Covid. With symptoms overlapping and risks varying, doctors say knowing how to differentiate early can prevent complications and stop ...

Valley fever is an emerging fungal disease in the western United States that most often causes flu-like symptoms, but can also cause dangerous or even deadly complications. By analyzing data on ...

Whether stemming from a wound, a toothache or an infection like the flu, nearly everyone has experienced the discomfort of having a fever. While fevers can be inconvenient and are sometimes a sign of ...