Endemic syphilis and yaws.
D004777:Environment; D006801:Humans; D010406:Penicillins; D010874:Pinta; D013587:Syphilis / Q000453:epidemiology*; D014211:Treponemal Infections; D015001:Yaws / Q000453:epidemiology*
D010406:Penicillins
SYPHILIS/epidemiology; YAWS/epidemiology