ParagonimiasisParagonimusLung Diseases, ParasiticParagonimus westermaniLung DiseasesPraziquantelShellfishLung Diseases, InterstitialAntibodies, HelminthLungAnthelminticsLaosPleural EffusionBrachyuraEndemic DiseasesMissouriFood ParasitologySuburban HealthBithionolCentral Nervous System HelminthiasisAstacoideaParasite Egg CountAntigens, HelminthLung Diseases, ObstructiveEosinophiliaMetacercariaeSputumFasciolaClonorchiasisCameroon