BYINSHI KURI VIRUS ITERA SIDA N'IMPAMVU HARI UBWOKO BW'ABANTU BUDASHOBORA KUYANDURA
SIDA ni indwara iterwa n'ubwandu bw'agakoko ko mu bwoko bwa virus kitwa VIH (Virus d'Immuno Humaine) ikaba yandurira mu mibonano mpuzabitsina idakingiye ikorwa hagati y'umugabo n'umugore mu gihe umwe muri bombi aba afite bwa bwandu. Ishobora no kwandurira mu bikoresho bijombana nk'inshinge n'ibikwasi,inzembe,... Ishobora kandi kwandura igihe umubyeyi arimo abyara bitabereye kwa muganga cg akanduza uruhinja igihe arwonsa. Iyi ndwara,iyo ikigera mu mubiri irihisha,ikabanza igakura (Replication) aho yifashisha ubwirinzi bwo mubwoko bwa lymphocytes T twitwa CD4 (Cluster Differenciation 4),ikagenda ibwica kugeza aho umubiri ucikiye intege,ninabwo ibyuririzi bitangira kugaragara,tukavuga ko yabaye SIDA.Iki gihe ishobora no kumara imyaka 10 mumubiri itarahinduka SIDA mugihe uyibana utabizi. T Lymphocytes zo mubwoko bwa CD4 (CD4+ Helper cells) nizo zon...