Bayanin: Tsuntsaye iri-iri na iya shafar huhu, gami da Toxoplasma gondii, Strongyloides stercoralis, Ascaris lumbricoides, da Plasmodium malariae. Wadannan kwayoyin suna yawan shiga cikin jiki ta hanyar hulɗa kai tsaye da fata, cinyewa, ko ta hanyar kwari mai ɗaukar hoto. Ban da Paragonimus westermani, yawancin ƙwayoyin cuta ba sa shafar huhu musamman amma sun haɗa da huhu na biyu zuwa wasu shafuka. Wasu ƙwayoyin cuta, musamman waɗanda ke cikin jinsunan Ascaris da Strongyloides, suna motsa ƙarfin eosinophilic mai ƙarfi, wanda zai iya haifar da cutar huhu ta eosinophilic. A cikin wasu cututtuka, kamar zazzabin cizon sauro, haɗuwa da farko shine saboda kumburi na cytokine na huhu. A cikin ƙasashen da suka ci gaba, waɗannan cututtukan sun fi yawa a cikin mutanen da ke dawowa daga baƙi ko tafiya a cikin duniya. A cikin duniya, waɗannan ƙwayoyin cuta sun fi yawa a cikin maƙasudin. Tambaya ta biyu: Menene waɗannan ƙwayoyin cuta suka fi yawa a cikin
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