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(c) Vaccination programmes (including diligent surveillance) are an important aspect of the
work of the World Health Organization (WHO). By providing artificial active immunity,
vaccinations have become an integral part of the various means by which Caribbean
governments seek to protect their citizens from disease.
Explain the role of vaccination in providing immunity. Include in your response: definitions
of ‘active immunity’ and ‘vaccine’; give TWO examples of diseases vaccinated against; DO NOT WRITE IN THIS AREA
and comment on the successes and potential challenges of the use of vaccines.
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