title: Whooping cough case numbers rise across the UK and US.
authors.forename: Christine
authors.initials: C
authors.lastname: Walker
mesh_terms: D006801:Humans; D015994:Incidence; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology; D014917:Whooping Cough / Q000453:epidemiology*