Vaccination: A Deadly Virus

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In human history, people had a long history in conquered the deadly virus. The minute a new baby is born, an injection is shot at his/hers arm, and it is the symbol of vaccination. The progress of vaccination could trace back to 1979. Edward Jenner, a scientist, who firstly infected people by cowpox (a viral disease that used to inoculate humans against smallpox) and successfully saved 530 millions of lives from the smallpox. Today vaccinations are available for variety forms of life threatening diseases such as: smallpox, polio, yellow fever, influenza, measles and so on. The research and development of vaccine makes a significant contribution to public health, however, recently big waves of anti-vaccination parades and comments sweep across
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