Write down the preventive measures of Typhoid.

Write down the preventive measures of Malaria.

What is air pollution? Write the preventive measures for air pollution.

Write any three preventive measures to be taken against drug abuse in adolescents.

Enlist three preventive measures of AIDS.

Write the causative organism, mode of infection, symptoms and the preventive measures of the disease Leprosy.

What are the preventive measures of dengue fever? Is there any vaccine available?

Write preventive measures against bird flu.

Write a note on Typhoid.