Single Dose Of Typhoid Conjugate Vaccine Provides At Least Four Years Of Protection, Trial Finds

Healio (1/26, Weldon) reported, “A single dose of a typhoid conjugate vaccine provided protection for at least 4 years among children aged 9 months to 12 years enrolled in a phase 3 trial in Malawi, according to results published in The Lancet.” In an analysis, researchers “calculated the efficacy of the typhoid vaccine to be 78.3%, with one case of typhoid prevented for every 163 children vaccinated.”