TAB vaccine is effective against ______ .
Typhoid
TAB vaccine is a combined vaccine used to produce immunity against the diseases typhoid, paratyphoid A, and paratyphoid B. This vaccine is given as an injection (shot) into a muscle. You should receive this vaccine at least 2 weeks before your scheduled travel or possible exposure to typhoid. The typhoid vaccine is given as a single injection. A booster dose is then recommended every 2 years during possible exposure to typhoid.