Group A streptococci and puerperal fever. Then and now.
D002353:Carrier State / Q000453:epidemiology / Q000635:transmission; D004196:Disease Outbreaks / Q000453:epidemiology; D005260:Female; D006801:Humans; D011247:Pregnancy; D011645:Puerperal Infection / Q000453:epidemiology / Q000635:transmission*; D013290:Streptococcal Infections / Q000453:epidemiology / Q000635:transmission*; D013297:Streptococcus pyogenes