What is Influenza (Flu) Vaccine?
The seasonal flu vaccine is updated every year. WHO recommends yearly vaccination, especially for people at higher risk of severe illness.
Dosage and schedule
One dose every year, before the flu season; in Pakistan, flu usually spreads most in winter. Children under 9 getting it for the first time need two doses at least 4 weeks apart.
Who it's for
- Pregnant women
- Children aged 6 months to 5 years
- Older adults
- People with long-term conditions such as heart, lung or kidney disease or diabetes
- Health workers
Benefits
- Lowers the risk of flu and of serious complications such as pneumonia.
- In pregnancy, it protects the mother and, through her, the baby in its first months.
- Updated every year to match the flu viruses expected to circulate.
Diseases prevented
- Seasonal influenza (flu)
Common reactions
- Sore arm, a low fever or muscle aches for a day or two.
Precautions
- Not given to babies under 6 months.
- Recommended during pregnancy, at any stage.
- Tell the vaccinator about any severe allergic reaction to a previous flu vaccine.
When to seek help
- Seek care for difficulty breathing, swelling of the face or throat, or weakness in the legs after vaccination.