A capsular Vi polysaccharide vaccine (Typhim Vi) is available for prevention of typhoid fever.


Manufacturer: Pasteur-Merieux


Dose: 25 µg (0.5 mL)


Route and Frequency: intramuscular, 1 dose


Frequency of booster injections: every 2 to 3 years


Effectiveness: 53 to 72%



(1) allergy to a vaccine component

(2) not for use in young children < 2 years of age


Complications of the vaccine are few. An injection site reaction is the most common reaction and occurs in about 7% of recipients. Fever and headaches may also occur.


Additional instructions: Water and food precautions must be observed since protection is incomplete.


To read more or access our algorithms and calculators, please log in or register.