Table 3.

Typhoid fever vaccines

Vaccine	Age	Route	Dosage	Revaccination
Killed whole-cell vaccine	5 years	subcutaneous	0.5 ml (0.25 ml for children < 10y) x 2 times, 4 weeks apart	3 years
Vi CPS	2 years	subcutaneous	0.5 ml	3 years
Ty21 a, live	6 years	Oral	1 capsule every other day, total of 3 capsule	5 years s