Which one is caused by virus

Options

A. Malaria
B. Polio
C. Plague
D. Tuberculosis

Answer

**Step-by-Step Solution:**

1. **Identify the Disease**: The question asks which disease is caused by a virus. One example mentioned in the transcript is polio.

2. **Understand the Virus**: Polio is caused by the poliovirus, which is a highly infectious virus that primarily affects the nervous system.

3. **Transmission**: The transcript explains that polio is transmitted from one person to another through contact. It enters the body through the mouth and grows in the intestines.

4. **Effects of the Virus**: The poliovirus can lead to serious health issues, including irreversible paralysis, especially in children.

5. **Environmental Factors**: The transcript notes that polio can spread in environments with poor hygiene, as the virus is excreted and can contaminate water and food sources.

6. **Age Factor**: It is highlighted that polio is more commonly seen in children compared to adults, indicating a higher susceptibility in younger populations.

**Final Answer**: Polio is a disease caused by the poliovirus.

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