title: Considerations from a bacterial ecorelation viewpoint in an acute respiratory infection focus.
mesh_terms: D000293:Adolescent; D001434:Bacteriophage Typing; D002353:Carrier State / Q000188:drug therapy / Q000453:epidemiology* / Q000382:microbiology; D002648:Child; D002713:Chlorine / Q000627:therapeutic use; D003353:Corynebacterium diphtheriae / Q000302:isolation & purification / Q000472:pathogenicity; D004165:Diphtheria; D004917:Erythromycin / Q000627:therapeutic use; D006801:Humans; D007114:Immunization; D010612:Pharyngitis / Q000453:epidemiology*; D012383:Romania; D012424:Rural Population; D012574:Schools; D012621:Seasons; D012703:Serotyping; D013203:Staphylococcal Infections; D013210:Staphylococcus / Q000302:isolation & purification; D013290:Streptococcal Infections / Q000453:epidemiology*; D013291:Streptococcus / Q000302:isolation & purification
chemical_list: D002713:Chlorine; D004917:Erythromycin