Periodically, the yearly flu transforms into a particularly virulent strain, like the Spanish flu that killed millions of people in 1918. How do these pandemic strains arise? Aa Aa Aa Although ...

The flu (influenza) is a serious virus that causes millions of illnesses each year. Symptoms include sneezing, muscle aches, and a fever. Most cases of the flu are mild enough to treat yourself at ...

“Influenza A typically causes worse symptoms compared to influenza B, and patients are more likely to get hospitalized with ...

A cold begins when a virus attaches to the lining of your nose or throat. A doctor can usually tell if you have the flu based on your symptoms, especially if it’s during peak season. Bird flu ...