Mankhwala ophera tizilombo amatanthauza mankhwala opangidwa ndi biologically omwe amagwiritsa ntchito mabakiteriya, bowa, ma virus, protozoa, kapena tizilombo tating'onoting'ono tating'onoting'ono tomwe timapanga kuti tipewe ndikuwongolera tizilombo toyambitsa matenda monga matenda, tizilombo, udzu, ndi mbewa. .
Werengani zambiri