Vac ci na tions

Fun Facts: The World Health Or ga ni za tion de clared small pox erad i -
cated in 1979, and the Pres i dent George H. Bush said that since then au -
thor i ties have not de tected a sin gle nat u ral case of the dis ease in the
world.
More to Ex plore
More to Ex plore
Asimov, Isaac. Asimov’s Chro nol ogy of Sci ence and Dis cov ery. New York: Harper &
Row, 1989.
Clark, Don ald. En cy clo pe dia of Great In ven tors and Dis cov er ies. Lon don: Mar shall
Caven dish Books, 1993.
Dyson, James. A His tory of Great In ven tions. New York: Carroll & Graf Pub lish ers,
2001.
Ha ven, Kend all, and Donna Clark. 100 Most Pop u lar Sci en tists for Young Adults.
Englewood, CO: Li brar ies Un lim ited, 1999.
Vare, Ethlie Ann, and Greg Ptacek. Moth ers of In ven tion. New York: Wil liam Mor -
row, 1989.
Yenne, Bill. 100 In ven tions That Shaped World His tory. New York: Bluewood Books, 
1993.
54 Vac ci na tions

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Document Outline

• 100 Greatest Science Discoveries of All Time.pdf
  • Vaccinations