title: Disease transmission: routes, contributing factors and herd immunity.
authors.affiliation: Johns Hopkins University School of Hygiene and Public Health, Baltimore, Maryland, USA.
authors.forename: K
authors.initials: K
authors.lastname: O'Brien
mesh_terms: D000293:Adolescent; D000328:Adult; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000276:immunology / Q000517:prevention & control / Q000635:transmission*; D018073:Haemophilus Vaccines; D019741:Haemophilus influenzae type b; D006801:Humans; D007111:Immunity, Cellular / Q000502:physiology; D007223:Infant; D008589:Meningococcal Infections / Q000276:immunology / Q000517:prevention & control / Q000635:transmission*; D022401:Meningococcal Vaccines; D009345:Neisseria meningitidis; D011008:Pneumococcal Infections / Q000276:immunology / Q000517:prevention & control / Q000635:transmission*; D022242:Pneumococcal Vaccines; D018074:Vaccines, Conjugate
chemical_list: D018073:Haemophilus Vaccines; D022401:Meningococcal Vaccines; D022242:Pneumococcal Vaccines; D018074:Vaccines, Conjugate