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 ...

Flu cases are rising rapidly across the US due to a new strain called subclade K, a mutated form of the H3N2 influenza A ...

A potentially deadly virus commonly known as "sloth fever" is sparking new pleas for caution across the United States after Florida reported nine new cases in a week related to international travel — ...

A potentially deadly virus known as “sloth fever” has US officials on alert after Florida reported 20 travel-related cases, including nine last week. Oropouche virus is spread through the bites of ...

More than 20 U.S. travelers returning from Cuba have tested positive for Oropouche virus, also named sloth fever, the Centers for Disease Control and Prevention said on Tuesday, as the little known ...

The next pandemic is just a few coughs or dirty door handles away. What viral outbreaks should we be worried about in 2026?

Brevard County led the state in locally transmitted dengue fever cases in 2025 and remains under a health alert for ...