If a patient is advised anti retroviral therapy, which infection is he suffering from? Name the causative organism.

Explanation

**Step-by-Step Solution:**

1. **Understanding Antiretroviral Therapy (ART):**
- Antiretroviral therapy is a treatment used to manage infections caused by retroviruses, particularly those that affect the immune system.

2. **Identifying the Condition Treated by ART:**
- The primary condition that requires antiretroviral therapy is AIDS (Acquired Immunodeficiency Syndrome). This condition arises when the immune system is severely compromised.

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