Experiencing English 2, Unit 3 Advertising 解Aids 20 YEARS OF AIDS S ENOUGH AIDS ability to defend itself from infection are and disease Caused by the human immunodeficiency virus(HIV, AIDS leaves an infected person vulnerable to opportunistic infections. Such infections are harmless in healthy people, but in those whose immune systems have been greatly weakened, they can prove fatal. Although there HUSA GO THIBEl is no cure for AIDS, new drugs are available that can prolong the life DIRISA SEKAUSU spans and improve the quality of life of infected people. Passage B The AD Council at a Glance FRNSWUCGExperiencing English 2, Unit 3 Advertising Passage B The AD Council at a Glance Aids Acquired Immunodeficiency Syndrome (AIDS), human viral disease that ravages the immune system, undermining the body’s ability to defend itself from infection and disease. Caused by the human immunodeficiency virus (HIV), AIDS leaves an infected person vulnerable to opportunistic infections. Such infections are harmless in healthy people, but in those whose immune systems have been greatly weakened, they can prove fatal. Although there is no cure for AIDS, new drugs are available that can prolong the life spans and improve the quality of life of infected people