A need to acknowledge progress: efficacy of typhoid vaccine and a reappraisal of its value in North Carolina.
D006801:Humans; D009657:North Carolina; D014435:Typhoid Fever / Q000517:prevention & control*; D014436:Typhoid-Paratyphoid Vaccines / Q000627:therapeutic use*; D014611:Vaccination
D014436:Typhoid-Paratyphoid Vaccines