Reinfection and seasonal fluctuations of Ascaris lumbricoides among a group of children in an area where night soil is used.
D000818:Animals; D001196:Ascariasis / Q000453:epidemiology*; D017164:Ascaris lumbricoides; D002648:Child; D006801:Humans; D012621:Seasons; D012987:Soil
D012987:Soil
ASCARIASIS/epidemiology; SOIL