Health Curriculum: Unit 6--Main text: Grades 7-11

Fighting Disease:
Health At The End Of The Millennium
Another Wired Curriculum from The United Nations CyberSchoolBus

	Introduction
	How They Work
	How They Spread
	Poverty and Disease
	Prevention
	Immunization

Unit 6
Immunization

MAIN TEXT
(GRADES 7-11)

Target: Polio

From the discovery of the vaccine for smallpox to its eradication took 200 years. The first polio vaccine was discovered in 1955 by Jonas Salk. The disease is targeted for eradication by the year 2000 - less than 50 years after the vaccine was discovered.

	Since the launch of the eradication effort in 1988, the number of reported polio cases is down by 80 percent
	Polio has been eradicated from the Americas
	In all 145 countries in the world are polio-free
	300 million children, almost half the children in the world, received the vaccine during 1995
	Only 67 countries are still considered to be endemic, with the highest number of polio cases occurring in countries in the Indian subcontinent

Read a WHO Press Release on Polio in Asia

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