Louis Pasteur akakundikana kuwana chinokonzera rabies uye akafungidzira pamusoro pechirwere chechirwere chakanga chiri chiduku kuti chionekwe uchishandisa microscope. Muna 1884, French microbiologist Charles Chamberland akagadzira firita (inozivikanwa nhasi seChamberland firita kana Pasteur-Chamberland firita) ine pores duku pane mabhakitiriya. Nokudaro, aigona kupfuudza mhinduro ine mabhakitiriya kuburikidza nefirita uye akavabvisa zvachose. Muna 1892, muRussia biologist Dmitri Ivanovsky akashandisa firita iyi kuti adzidze izvo zvino zvinozivikanwa sehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachi hwehutachiona hwehutachi hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona hwehutachiona
Wendell Stanley