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 ...

Allergies do not cause a fever, but they may lead to health issues that can cause a fever, such as a sinus infection. Other conditions, such as bacterial or viral infections, can have similar symptoms ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...