Enlist three preventive measures of AIDS.

Expand AIDS. Explain causes/modes of transmission, effects, incubation period, diagnosis, symptoms and preventive measures of AIDS. What is the significance of 1st December ?

Explain any three preventive measures to control microbial infection.

Explain any three preventive measures to control microbial infection.

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

Write down the preventive measures of Typhoid.

Write down the preventive measures of Malaria.

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

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

Name the causative agent of AIDS. What are its symptoms and modes of transmission? Describe the preventive measures also.