Both influenza A and B infections typically manifest the same broad symptoms, although they can vary case by case. Only testing by a doctor can reveal which type a patient has contracted.

But what does it mean to have a flu A or flu B season? Do these types of flu have different symptoms? And does one cause more severe illness than the other? Experts have been studying influenza ...

You may have heard of H1N1 or H3N2 – those are the two dominant types of influenza A circulating right now, according to the CDC. “Influenza A typically causes worse symptoms compared to ...

Rhinoviruses cause most colds. Though symptoms of a cold and the flu are similar, the two illnesses develop at different ...

A series of reported outbreaks at some of the largest egg producers in the U.S. have caused a shortage in egg supplies, as ...

With springtime bringing about allergies for many, it can be difficult to tell when it's more than just sniffles. Local ...

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...