AIDS课件——双语教学.ppt

AIDS,Outline Simple introduction Cause of AIDS Ways of spreading How to prevent it Your effort is needed,Notorious history,AIDS , short for Acquired Immune Deficiency Syndrome ,was first found in United States in 1981 . In China , it was first diagnosed in 1985 . The patient was a foreigner who came to China for traveling . From 1981 to 2006 , there have been 65 million people were infected with AIDS ,among which 25 million were die from AIDS .,Cause of AIDSHIV,HIV -human immunodeficiency virus , can be categorized into two groups , that is HIV-1 and HIV-2 .,1、Virus attaches to cell surface 2、 Virus core is released into cytoplast 3、RNA is converted into DNA in cytoplast 4、Viral DNA enter cell nucleus and combine with host cell DNA 5、Viral DNA is transcribed into viral RNA 6、New viral RNA leave cell nucleus and enter cytoplast 7、Viral RNA translated into new viral proteins 8、Viral RNA and proteins congregate at cell surface waiting to form new virus 9、New virus particle buds is formed and released all around body,Origination of AIDS,It is newly reported that HIV-1 was found in chimpanzees .HIV-1 was evolved from SIV . In fact , AIDS came from Africa .,HIV virus will not cause any diseases, but will make you lose the immune ability so that you are susceptible to many diseases .,You must know that,Patients lives,lean,AIDS spreading,Mainly , AIDS is spread through sexual intercourse , blood and other body liquid ,or spread by mothers . Embracing ,handshaking ,coughing or sneezing and sharing daily-used public facilities will not spread AIDS.,methods of prevention,Observe sexual morality ,dont have sex with those who are AIDS patients . Avoid unnecessary blood transfusion and injection , refuse using HIV contaminated blood , and use the clean surgical instruments only . Stop receiving virus from mother generation by using drugs .,Stop AIDS , keep the promise .,World AIDS Day theme of 2008 : Leadership(全民动员). This theme will continue to be promoted with the slogan “Stop AIDS. Keep the Promise.“,Attitude Influences Disease Seriously,Help ,care and love those who live with AIDS !,We should :,Not only government but also every citizen shoul