How many from the following are non - curable viral diseases in humans ?
( Syphilis, Genital herpes, chlamydiasis, Hepatitis - B,Gonorrhoea, Trichomoniasis, AIDS )

Options

A. Four
B. Three
C. Two
D. Five

Answer

To determine how many of the listed diseases are non-curable viral diseases in humans, we will analyze each disease mentioned in the question.

1. **Syphilis**: This is a bacterial infection caused by the bacterium Treponema pallidum. It is curable with appropriate antibiotic treatment.

2. **Genital herpes**: This is a viral infection caused by the herpes simplex virus (HSV). Currently, there is no cure for genital herpes, although antiviral medications can help manage symptoms.

3. **Chlamydiasis**: This is another bacterial infection caused by Chlamydia trachomatis. It is curable with antibiotics.

4. **Hepatitis B**: This is a viral infection caused by the Hepatitis B virus (HBV). While there are treatments available, there is no complete cure for chronic Hepatitis B.

5. **Gonorrhea**: This is a bacterial infection caused by Neisseria gonorrhoeae. It is treatable with antibiotics.

6. **Trichomoniasis**: This is a parasitic infection caused by Trichomonas vaginalis. It is curable with medication.

7. **AIDS**: Acquired Immunodeficiency Syndrome (AIDS) is caused by the Human Immunodeficiency Virus (HIV). There is currently no cure for AIDS, although antiretroviral therapy can manage the condition.

Now, let's summarize the findings:

- Non-curable viral diseases:
- Genital herpes
- Hepatitis B
- AIDS

Thus, the total number of non-curable viral diseases from the list is **3**.

### Final Answer:
**3 non-curable viral diseases** (Genital herpes, Hepatitis B, AIDS).

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