title: Prevalence of ampicillin-resistant strains of Haemophilus influenzae causing systemic infection.
abstract: Surveillance of Haemophilus influenzae bacteremia and meningitis in Omaha during the 6-year period 1974 to 1979 revealed no upward trend in ampicillin resistance. The overall proportion was 5%, and the annual prevalence ranged from 0 to 9%.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D010403:Penicillin Resistance
chemical_list: D000667:Ampicillin