When did Horizon Season 23 Episode 11 air?
Horizon Season 23 Episode 11 aired on March 24, 1986.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon looks at the virus that causes AIDS and the research into vaccines and drugs being developed to counteract the devastating disease of the immune system.
Direct answers for episode-level questions and details.
Horizon Season 23 Episode 11 aired on March 24, 1986.
This episode runs for approximately 60 minutes.
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