Invasive group A streptococcal infections--update.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016000:Cluster Analysis; D005208:Fasciitis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009336:Necrosis; D011159:Population Surveillance; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes; D006113:United Kingdom / Q000453:epidemiology