Vaccination is one of most spectacular achievements of medicine. The conquest of smallpox resulted from the preparation of vaccine by Jenner, two hundred years ago. The World Health Organization (WHO) estimates that vaccination against polio, diphtheria, measles, and hepatitis prevents the death of three million people yearly.
KeywordsSubunit Vaccine Bacille Calmette Guerin Polio Virus Measle Mumps Rubella Genetic Immunization
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