Real Story?
Film good for provoking interest - but much too much 'Twilight Zone' effects to keep one from knowing what was the truth and what was 'dramatization.'
Here are 2 articles giving more background:
http://partners.nytimes.com/library/national/science/aids/080386sci-aids.html
http://www.maryellenmark.com/text/magazines/life/905W-000-035.html