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Created page with ''''Vaccination''' Vaccination comes from the "vacca", which means cow. Arround the year 1800 the english doctor Edward Jenner discovered that some milkmaids in his localit…'
(Created page with ''''Vaccination''' Vaccination comes from the "vacca", which means cow. Arround the year 1800 the english doctor Edward Jenner discovered that some milkmaids in his localit…') |
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