1. Chubu chachitsanzo cha virus chotayira chimapangidwa ndi swab ndi/kapena njira yosungira, chubu chosungira, phosphate ya butyl, mchere wambiri wa guanidine, Tween-80, TritonX-100, BSA, ndi zina zambiri. mayendedwe ndi kusunga Pali makamaka izi...
Werengani zambiri