The World Health Organization ay a many a 10 million peron worldwide may have the viru(病毒) that caue AIDS.Expert believe about 350 thouand peron have the dieae.And one million more may get it in the next five year.In the United State,about 50,000 peron have died with AIDS.The country’ top medical official ay more than 90 percent of all American who had the AIDS viru five year ago are dead.?
There i no cure for AIDS and no vaccine(疫苗) medicine to prevent it.However,reearcher know much more about AIDS than they did jut a few year ago.We now know that AIDS i caued by a viru.The viru invade healthy cell including white blood cell that are part of our defene ytem againt dieae.It take control of the healthy cell’ genetic(遗传的) material and force the cell to make a copy of the viru. The cell thendie.And the viral particle move on to invade and kill more healthy cell.The AIDS viru i carried in a peron’ body fluid.The viru can be paed exually or by haring intrument ued to take intravenou(静脉内的) drug.It alo can be paed in blood product or from a pregnant woman with AIDS to her developing baby.?
Many torie about the pread of AIDS are fale.You cannot get AIDS by working or attending chool with omeone who ha the dieae.You can not get it by touching,drinking glae or other object ued by uch peron.Expert ay no one ha gotten AIDS by living with,caring for or touching an AIDS patient.?WWw.hAOZUowEn.com
There are everal warning ign of an AIDS infection.They include alway feeling tired,unexplained weight lo and uncontrolled expulion of body wate(大小便失禁). Other warning are the appearance of white area on the mouth ,dark red area of kin that do not diappear and a higher than normal body temperature.