Cat flu

Seasonal influenza is characterized by a sudden onset of fever, cough (usually dry), headache, mu...

Influenza (flu) is a highly contagious viral infection of the respiratory tract that can cause se...

Influenza (flu) is a contagious viral infection that can cause mild to severe symptoms and life-t...

Influenza, commonly known as "the flu", is an infectious disease caused by influenza viruses. Sym...

influenza, also called flu or grippe, an acute viral infection of the upper or lower respiratory ...