Add Yahoo as a preferred source to see more of our stories on Google. It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same.

They can cause all sorts of unpleasant symptoms. Certain symptoms, like a sore throat or fatigue, are hallmarks of all three.

Flu season isn't in full swing yet in the United States, but a mutated strain of the virus that has caused severe outbreaks abroad is sparking concern about the winter ahead. A new version of ...

The winter months bring an increase in respiratory illnesses, leaving many people wondering whether their symptoms indicate a common cold or influenza. While both conditions affect the respiratory ...

(NEXSTAR) – It’s that time of year again. The coughing, sneezing and sniffling is all around us, as both influenza and COVID-19 start to spread. When you start to feel sick, it can be hard to tell ...

Holiday travel, crowded shopping centers, and family gatherings are coinciding with a sharp increase in respiratory illness across the United States. Public health experts state that Americans are not ...

That familiar combination of fever, aches, and fatigue might seem like another seasonal flu, but when confusion or mental changes join the mix, your body could be signaling something far more ...

Bird flu cases reported in parts of Maharashtra have triggered fresh public health concern, especially after infected poultry ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same. There are some notable differences between flu A and flu B strains. On ...