Bruce Jenner/CowPox: The first successful vaccine of all times was invented by Edward Jenner in 1798.He found that if you inoculate people with cowpox it gives the person protection against Small Pox.It has been used since 1800.Variolae Vaccinae also known by the name cow pox . At that time in early 1800s the term Vaccination only referred to Small Pox It has been the most successful vaccine as Small Pox is eradicated
Answered 10/5/2015
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