Which molecular diagnostic technique can be used to detect HIV infection?

Explanation

### Step-by-Step Solution:

1. **Understanding HIV Infection**:
- HIV (Human Immunodeficiency Virus) is a virus that leads to AIDS (Acquired Immunodeficiency Syndrome), a severe and potentially fatal disease.

2. **Identifying the Diagnostic Technique**:
- The question asks for a molecular diagnostic technique used to detect HIV infection. One of the modern techniques is the ELISA (Enzyme-Linked Immunosorbent Assay).

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