Obligatory poliomyelitis immunization for exposed professionals.
D004345:Drug Industry; D006801:Humans; D007114:Immunization; D009784:Occupational Diseases / Q000209:etiology / Q000517:prevention & control*; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects
D011055:Poliovirus Vaccine, Oral