O Levels Biology (5090)•5090/12/M/J/20

Explanation
Health Education Prevents HIV Spread Through Awareness
Steps:
- Identify the question: Focus on actions reducing HIV transmission, not treatment.
- Evaluate choices: Distinguish prevention (stopping spread) from treatment (managing infection).
- Recall HIV facts: HIV spreads via unprotected sex, needles, and mother-to-child; no cure, but preventable.
- Select best: Prevention strategies like education directly lower new infections.
Why B is correct:
- Health education informs about safe practices (e.g., condom use, testing), reducing risky behaviors per public health prevention models.
Why the others are wrong:
- A: No effective HIV vaccine exists yet; development efforts continue but haven't reduced spread.
- C: Antibiotics treat bacterial infections, not viral HIV; irrelevant to reduction.
- D: Antiretroviral drugs treat infected individuals, slowing progression but not preventing transmission directly.
Final answer: B
Topic: Disease
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