Influenza due to identified zoonotic or pandemic influenza virus

**Definition:** Influenza, caused by influenza virus strains of special epidemiological importance with an animal-human or inter-human transmission. For use of this category, reference must be made to the guidelines of the Global Influenza Programme [GIP] (www.who.int/teams/global-influenza-programme) of WHO.

**Long definition:** Influenza due to infection with influenza virus strains of special epidemiological importance with an animal-human or inter-human transmission. These diseases are characterized by fever, cough, headache, myalgia, arthralgia, or malaise. Transmission is by inhalation of infected respiratory secretions. Confirmation is by identification of the specified influenza virus in a nasopharyngeal, nose, or throat swab.

**Exclusions:** - Haemophilus influenzae [H. influenzae] meningitis - Haemophilus influenzae [H. influenzae] pneumonia