1. Define Immunization: (1 mark)
Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine. Vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease. http://www.who.int/topics/immunization/en/ 2. Define Vaccination: (1 mark) Vaccination: The act of introducing a vaccine into the body to produce immunity to a specific disease. http://www.cdc.gov/vaccines/vac-gen/imz-basics.htm 3. Define Vaccine: (1 mark)
Vaccine: A product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease. Vaccines are usually administered through
…show more content…
This not only protects the family of the vaccinated children but also helps prevent the spread of these diseases to child’s friends and others in contact of the child.
http://www.cdc.gov/measles/downloads/matte-immunization-protects.pdf
7. Where has Polio been eliminated and why? (3 marks)
Polio is eliminated 99 percent from the worldwide population. Ten countries from South east Asia including India have not reported any polio cases from past three years. Polio is still prevalent in Afghanistan, Nigeria and Pakistan. WHO is taking initiatives to eradicate polio completely. Polio was successfully eradicated from other countries because of the Global polio programme started by WHO since 1988. http://www.cdc.gov/polio/updates/ 8. Indicate 3 infectious diseases which have become exceedingly rare due to effective vaccine programs (3 marks)
Smallpox is completely being eradicated.
Measles has been largely eradicated from most affluent countries and deaths from measles across the globe have dropped by 75% since 2000.
The virus is still common particularly in parts of Africa and Asia, but WHO has plans to eliminate the disease globally by