The vaccination given for preventing tuberculosis is:

$(a)$ The immune system is essential for our health. Comment on the above statement.
$(b)$ How can we acquire immunity?

Choose the wrong statement.

Viruses,which cause hepatitis,are transmitted through

Differentiate between the following:
- Acute disease and Chronic disease
- Infectious disease and Non-infectious disease
- Symptom-based treatment and Microbe-based treatment
- Antibiotics and Vaccines
- Congenital disease and Acquired disease

Diseases caused by different species of worms include: