Flies spread various microorganisms and carry worm eggs. Up to now, 30 species of virus, 100-plus species of bacteria and 30 species of protozoon have been discovered.
Flies spread various microorganisms and carry worm eggs. Up to now, 30 species of virus, 100-plus species of bacteria and 30 species of protozoon have been discovered.
蝇类传播的微生物很多，已证实病毒约30种，细菌100多种，原虫30多种并可携带多种蠕虫卵等。