Influenza

Influenza

Definition

Influenza (commonly known as Flu) is an acute infection of the respiratory tract. It is caused by the influenza viruses. Influenza tends to spread very rapidly.

Causative organism

Influenza virus are 3 types. Namely A, B, C

Mode of transmission - Influenza spreads mainly from person by droplet infection created by sneezing, Coughing or talking. The portal of entry of the virus is the respiratory tract.

Incubation period - 18 – 72 hours

Clinical manifestations

·  Fever

·  Chills

·  Aches

·  Pains

·  Cough

·  Generalized weakness

Complications - Pneumonia

Treatment

Antiviral drugs: These drugs may also modify the severity of influenza. If started with in 24-48 hours of onset of illness

Control Measures

·  Avoidance of crowded places

·  Good ventilation of public buildings

·  Covering the face when coughing and sneezing with handkerchief or cloth

·  Isolation of cases of influenza