title: Invasive group A streptococcal infections.
authors.forename: R
authors.initials: R
authors.lastname: Couper
mesh_terms: D006801:Humans; D015994:Incidence; D009864:Ontario / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology* / Q000401:mortality; D013297:Streptococcus pyogenes