title: Haemophilus influenzae type b polysaccharide vaccine.
mesh_terms: D001428:Bacterial Vaccines / Q000009:adverse effects*; D002170:Canada; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000453:epidemiology* / Q000209:etiology; D006193:Haemophilus influenzae / Q000276:immunology*; D006801:Humans; D008297:Male; D011135:Polysaccharides, Bacterial / Q000009:adverse effects*
chemical_list: D001428:Bacterial Vaccines; D011135:Polysaccharides, Bacterial