title: Evidence of Bordetella pertussis infection in vaccinated 1-year-old Danish Children-a comment.
authors.forename: Michael A
authors.initials: MA
authors.lastname: Stevner
mesh_terms: D001886:Bordetella pertussis / Q000302:isolation & purification*; D003718:Denmark / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D014611:Vaccination; D014917:Whooping Cough / Q000453:epidemiology* / Q000382:microbiology / Q000517:prevention & control