Salk - Sabin vaccine used against the disease

Options

A. (a) Diptheria
B. (b) Polio
C. (c) Typhoid
D. (d) Leprosy

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks about the Salk-Sabin vaccine and the disease it is used against.

2. **Understand the Salk-Sabin Vaccine**: The Salk vaccine is an inactivated (killed) virus vaccine, while the Sabin vaccine is an oral vaccine that uses a live attenuated (weakened) virus.

3. **Examine the Options**: The options provided include diseases such as diphtheria, polio, typhoid, and leprosy.

4. **Analyze Each Option**:
- **Diphtheria**: Caused by the bacterium Corynebacterium diphtheriae. The vaccine for diphtheria is DTP (Diphtheria, Tetanus, Pertussis) or DTAP. This is not related to the Salk-Sabin vaccine.
- **Polio**: Caused by the poliovirus. The Salk vaccine is used against polio (inactivated virus), and the Sabin vaccine is also used against polio (live attenuated virus). This is a potential correct answer.
- **Typhoid**: Caused by the bacterium Salmonella typhi. The vaccine for typhoid is Biowac, which is not related to the Salk-Sabin vaccine.
- **Leprosy**: Caused by the bacterium Mycobacterium leprae. The vaccine for leprosy is BCG (Bacillus Calmette-Guérin), which is also not related to the Salk-Sabin vaccine.

5. **Conclusion**: The only disease for which the Salk-Sabin vaccine is used is polio. Therefore, the correct answer is polio.

**Final Answer**: The Salk-Sabin vaccine is used against polio.

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