The two most dreadful and fatal disease throughout world are :

Options

A. AIDS and malaria
B. Cancer and AIDS
C. Dengue and Tuberculosis
D. Polio and Leprosy

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the two most dreadful and fatal diseases throughout the world.

2. **Evaluate the Options**: The options provided include various diseases. We need to analyze each option to determine which diseases are considered the most dreadful and fatal.

3. **Consider AIDS**:
- AIDS stands for Acquired Immunodeficiency Syndrome.
- It is caused by the HIV virus, which is a retrovirus.
- AIDS is characterized by a weakened immune system, making individuals susceptible to various infections and diseases, which can ultimately lead to death.
- Therefore, AIDS is indeed a dreadful and fatal disease.

4. **Consider Malaria**:
- Malaria is caused by Plasmodium parasites and is transmitted through mosquito bites.
- While malaria can be severe and fatal, it is often treatable with medication, and not all cases lead to death.
- However, it remains a significant health concern in many parts of the world.

5. **Consider Cancer**:
- Cancer is a group of diseases characterized by the uncontrolled growth of abnormal cells.
- It can lead to the formation of tumors and can spread to other parts of the body, making it a serious and often fatal condition.
- Thus, cancer is also considered a dreadful and fatal disease.

6. **Evaluate Other Options**:
- Other diseases mentioned, such as dengue, tuberculosis, polio, and leprosy, are either treatable or less fatal compared to AIDS and cancer.
- Therefore, they do not qualify as the two most dreadful and fatal diseases.

7. **Conclusion**: Based on the analysis, the two most dreadful and fatal diseases throughout the world are **AIDS and Cancer**.

**Final Answer**: AIDS and Cancer.

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