Overview
Influenza is a contagious viral infection causing fever, body aches, and respiratory symptoms.
Symptoms
- •High fever
- •Myalgia
- •Headache
- •Dry cough
Diagnosis
- ✓Rapid antigen test
- ✓PCR
- ✓Clinical during season
Treatments
- →Oseltamivir
- →Zanamivir
- →Supportive care
- →Annual vaccine
Risk Factors
⚠️Age <5 or >65
⚠️Pregnancy
⚠️Chronic illness
⚠️Immunosuppression
Key Facts
- ℹ️500,000 deaths/year
- ℹ️Vaccine updated annually
ICD-10: J10-J11 | Prevalence: yaygın (mevsimsel)
Last updated: 11/9/2025