title: How does herd immunity work?
authors.forename: A
authors.initials: A
authors.lastname: Berger
mesh_terms: D002648:Child; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration* / Q000706:statistics & numerical data; D011159:Population Surveillance; D014611:Vaccination / Q000706:statistics & numerical data