HIV:AIDS:: ________: Malaria

Answer

To solve the analogy HIV:AIDS:: ________: Malaria, we need to identify the relationship between HIV and AIDS and then find a similar relationship for malaria.

### Step-by-Step Solution:

1. **Understand the first part of the analogy (HIV:AIDS)**:
- HIV stands for Human Immunodeficiency Virus.
- AIDS stands for Acquired Immunodeficiency Syndrome.
- The relationship here is that HIV is the causative agent (virus) that leads to the disease known as AIDS.

2. **Identify the disease in the second part of the analogy (Malaria)**:
- Malaria is a disease caused by a specific organism.
- It is caused by protozoan parasites of the genus Plasmodium.

3. **Determine the causative agent of Malaria**:
- The causative agent of Malaria is the Plasmodium species.
- Just as HIV causes AIDS, Plasmodium causes Malaria.

4. **Fill in the blank**:
- Based on the established relationship, the blank can be filled with "Plasmodium".
- Therefore, the complete analogy is: HIV:AIDS::Plasmodium:Malaria.

### Final Answer:
Plasmodium