TYPHOID VACCINES



              Routine vaccination:

 -    Both Vi-PS (polysaccharide) and Vi-PS conjugate vaccines are available.


Minimum ages:


-   Vi-PS (polysaccharide) vaccines: 2 years
-   Vi-PS (Typbar-TCV® )conjugate vaccine: 6 months;


Vaccination schedule:
-   Vi-PS (polysaccharide) vaccines: Single dose at 2 years; revaccination every 3 years; (No evidence of   

     hyporesponsiveness on repeated revaccination so far).


-   Vi-PS conjugate (Typbar-TCV®): Single dose at 9–12 months and a booster during second year of life.


-   Greater experience and more robust data with Vi-PS polysaccharide vaccines; whereas there is limited experience 

     with Vi-PS conjugate vaccines.


-   Recommended throughout the adolescent period, i.e. till 18 years.