Although repeatedly exposed to HIV, Steve Crohn's blood cells were never infected. Dr. David Ho investigates in this video segment from NOVA: "Surviving AIDS."

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Concepts

genetic mutation, viruses

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Additional Tags

disease treatments, gene frequencies, gene mutations, immune system, aids, hiv treatment, nova surviving aids, pbs learningmedia: hiv immunity, teachers' domain, wgbh, hiv

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Classroom Considerations

Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)

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