than adults. *It's important to note that not everyone with flu will have a fever. This video includes common signs and symptoms of flu.
For older adults and people with a chronic illness, pneumonia can be Each year's seasonal flu vaccine contains protection from the three or.
Seasonal influenza is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling.
Influenza (flu) is an acute viral infection of the nose, throat, and lungs. It is a common cause of acute respiratory illness and can affect people of all ages. It occurs.