Routine vaccination:

 -   Minimum age: 6 months fortrivalent inactivated influenza vaccine (TIV) Recommended only for the vaccination of        persons with certain high-risk conditions.

 -   First time vaccination: 6 months to below 9 years: Two doses 1 month apart; 9 years and above: Single dose

 -  Annual revaccination with single dose.

  -  Dosage (TIV) : Aged 6–35 months 0.25 ml; 3 years and above: 0.5 ml For children Aged 6 months through 8 years: 
      administer 2 doses (separated by at least 4 weeks) to children who are receiving influenza vaccine for the first time.

  -   All the currently available TIVs in the country contain the ‘Swine flu’ or ‘A (H1N1)’ antigen; no need to vaccinate          separately.

       Best time to vaccinate:

  -     As soon as the new vaccine is released and available in the market

  -     Just before the onset of rainy season.