- Avoid undue peer pressure,Education and counselling,Seeking help from parents and peers,Looking for danger signs ,Seeking professional and medical help
Under polio prevention programme, infants in India were given polio vaccines on a large scale at regular intervals to eradicate polio from the country.
(a) What is a vaccine? Explain how does it impart immunity to the child against the disease.
(b) With the help of an example each, differentiate between active and passive immunity.