IMMUNIZATION--PRESENT AND FUTURE.
D006801:Humans; D007114:Immunization; D007252:Influenza Vaccines; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D011819:Rabies Vaccines; D012900:Smallpox Vaccine; D014611:Vaccination; D014612:Vaccines; D015004:Yellow Fever
D007252:Influenza Vaccines; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D011819:Rabies Vaccines; D012900:Smallpox Vaccine; D014612:Vaccines
IMMUNIZATION; INFLUENZA VACCINE; POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL; RABIES VACCINE; SMALLPOX VACCINE; VACCINES; YELLOW FEVER