求一篇关于病毒的英文演讲稿

The disease of AIDS is in order to infecting mankind's immunity blemish virus(brief name HIV) to cause behind a kind of to cause death sex infectious disease, its incubation period is 6 months to 8~ generally for 10 years.The whole world have 4,000 have another ten thousand the AIDS virus infection, every year new the infection number be up to 500 have another ten thousand, die 300 have another ten thousand.But so far, the mankind haven't yet find out a kind of method that cures this disease.

The AIDS clinic performance has four:
1.Dyspnea
2.Appear headache,the consciousness obstacle,stupid,have muscular spasms etc., cause serious result.
3.The stomach and intestines water kind is a then, everyday 10-20 times
4.The not clear reason have fever

The prevention and cure of the AIDS:
1,make widely available the AIDS prevent and cure knowledge, making people understand the cause of disease of the AIDS and spreading path,the cli