TrichurisTrichuriasisHookworm InfectionsAncylostomiasisAncylostomatoideaNecator americanusNecatoriasisAscaris lumbricoidesAscariasisHelminthiasisParasite Egg CountAnthelminticsHelminthsIntestinal Diseases, ParasiticNecatorAlbendazoleMebendazoleOesophagostomiasisFecesAntinematodal AgentsAntigens, HelminthAntibodies, Helminth