Influenza Type A

Outbreak Type
Sudden onset of fever, followed by muscle aches, headache, runny nose, sore throat, dry cough, lethargy, chills.
Note: immunized elderly population may not always develop fever.
Mode of Transmission
Direct person-to-person by droplet/ contact through coughing/sneezing or secretions on hands.
Indirect contact by exposure to contaminated respiratory secretions on articles/environmental surfaces.
1 to 4 days.
Period of Communicability
One day before symptoms and up to 10 days after onset of symptoms.
Nasopharyngeal swab (virus testing).
Droplet/Contact Precautions - hand hygiene, gloves, gown, protective eyewear, mask

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