Infectious disease caused by influenza virus
Aetiology
- Influenza A and influenza B - pandemics are influenza A
Pathophysiology
- Transmitted through droplets or direct contact with infected respiratory secretions
Clinical presentation
- High fever
- Chills
- Headache
- Malaise
- Myalgia
- Cough - initially dry and painful, becomes productive but painless
- Nasal congestion
- Fatigue
Investigations
- Clinical diagnosis
Management
- Supportive
- Antivirals - prophylaxis and treatment
- Vaccination for at risk groups
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