[Epidemic of mild streptococcal pharyngitis].
D004196:Disease Outbreaks / Q000453:epidemiology*; D006294:Health Resorts; D006801:Humans; D010612:Pharyngitis / Q000453:epidemiology*; D011044:Poland; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes
Epidemia paciorkowców zapalenia gardła o łagodnym przebiegu.