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Articles and Essays

Ram Bansal ― http://articles-and-essays.blogspot.com

Articles and essays on burning issues before humanity

Avg. Rating: 2.0 out of 5.0 ∙ 1 Reviews ∙ 7 Followers

Listed: Nov 11, 2010

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1 User Reviews

Himanshu Sahu

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Vaccines are immunobiological substances that are similar to the disease causing agents, of course except the capability to produce the full fledged disease. some of the these agents produce the disease but they are of very mild variety than the original disease against which the vaccine is given.

7 weeks 1 day ago