Who discovered the 'vaccine' for the first time? Name two diseases which can be prevented by using vaccines.

The vaccination given for preventing tuberculosis is:

What is inflammation? Write the symptoms of this in the human body.

What do you mean by active and passive immunisation?

Akhilesh is having a headache and fever. He takes some pills to reduce the fever and headache before going to the doctor. What is this type of treatment called? How can we reduce the effects of the disease? What is the limitation of this type of treatment? What is the possible remedy for these diseases?

Educating parents would help a lot in reducing the incidences of diseases in children. Justify the statement with five reasons.