This past week our office has been really busy with influenza. After an incubation period of 1 to 3 days, an Influenza illness is generally characterized by the sudden onset of fever, frequently with chills or rigors, headache, feelings of tiredness, muscle aches, and a dry cough. Then, the respiratory signs of sore throat, nasal congestion, and cough become more prominent. If you child becomes ill with these symptoms it is important to evaluate your child right away because there are anti-viral medications available that can help if begun with 48 hours of the onset of the illness.