The term, ‘vaccination’ originated from vacca which means cow. The term was first used by Edward Jenner who discovered (1798) that cow-pox induced immunity to small-pox in persons artificially inoculated with cow-pox. This process of inducing immunity against small pox came to be known as vaccination which saved millions of human lives since then and […]
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Paragraphs on Vaccination! It was generally known for a long time that a person who survived an attack of small pox was not attacked by this disease for the second time. Edward Jenner observed in 1796 that a person who had suffered an attack of ‘cow-pox’, which was comparatively less harmful, became also immune to […]
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