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…showed last 75 words of 434 total…continue to seek more effective and safer anti-viral drugs. They believe any eventual cure for AIDS must stop the growth of the virus, prevent opportunistic illnesses, and restore the immune system. To prevent transmission of the AIDS virus, intimate sexual contact with anyone infected must be avoided. Medical and public health authorities have recommended that a condom be used every time sexual intercourse occurs with an infected person or with someone whose status is unknown.