The initial effort to immunize American soldier volunteers with typhoid vaccine.
D005006:Ethnicity; D006801:Humans; D008889:Military Personnel; D014435:Typhoid Fever / Q000517:prevention & control*; D014436:Typhoid-Paratyphoid Vaccines; D014481:United States; D014611:Vaccination; D014838:Volunteers
D014436:Typhoid-Paratyphoid Vaccines
TYPHOID FEVER/prevention and control