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Besides sexual contact, hepatitis-B and HIV can spread through shared:

AInjection numbers
BInjection nozzles
CInjection needles
DInjection notices
Answer & Solution
Correct answer: C. Injection needles
1. Surgical instruments carry the same risk. 2. So does transfusion of blood. 3. Shared injection needles are one route. _Source: syllabus Biology, 'Reproductive Health' (2020-21 printing)_
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