- Both Vi-PS (polysaccharide) and Vi-PS conjugate vaccines are available
- Minimum ages:
> Vi-PS (polysaccharide) vaccines: 2 years
> Vi-PS (Typbar-TCV®): 6 months;
- Vaccination schedule:
> Vi-PS (polysaccharide) vaccines: single dose at 2 years; revaccination every 3 years; (no evidence of hypo-responsiveness on repeated revaccination so far).
> Vi-PS conjugate (Typbar-TCV® ): Single dose at 9-12 months and a booster during second year of life.
- Vi-PS Conjugate vaccine (PedaTyph®): data not sufficient to recommend for routine use.
- Greater experience and more robust data with Vi-PS polysaccharide vaccines; whereas there is limited experience with Vi-PS conjugate vaccines.
Catch up vaccination
- Recommended throughout the adolescent period, i.e. 18 years.