Ty21a vaccine (three doses) vs control
Cumulative cases of typhoid fever at 2.5 to 3 years · adults and children aged 5 years of age and older
Ty21a vaccine (three doses) probably leads to lower cumulative cases of typhoid fever at 2.5 to 3 years compared with control (moderate certainty).
1 finding from 1 review
- RR 0.5 [0.39, 0.65]4 studies · 235239 participantsModerate