① Upfu hwetalc hunogona kudzivirira ganda neganda remucous. Nekuda kwehukuru hwahwo hudiki uye nzvimbo yakakura, upfu hwetalc hunogona kutora huwandu hwakawanda hwemakemikari anotsamwisa kana chepfu. Nokudaro, kana hukapararira pamusoro penyama dzakakuvara kana dzakakuvara, upfu hwetalc hunogona kudzivirira. Kana hukatorwa nemuromo, upfu hwetalc haungogone chete kudzivirira mucosa yemudumbu yakakuvara, asiwo kudzivirira kunyudzwa kwechepfu mudumbu. Upfu hwetalc haukuvadzi zvachose, mudumbu, mudumbu, mudumbu, mudumbu hunogona kukonzera granuloma.

② Kushanda kwehupfu hwetalc kurwisa mabhakitiriya kwaishandiswa nenzira yeplate. Nzira ine 10% yehupfu hwetalc yaidzivirira typhoid bacillus neparatyphoid A. Nzira yepepa yaingova nekushanda kudiki kwehupfu hwemeningococci.