how vaccines are created ? update the current status of corona vaccine worldwide.
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Vaccine are created by taking viruses and bacteria and weakening them so that they can't reproduce themselves very quickly....
Scientists are giving their best to create vaccine for coronavirus but they have not get successful products...
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Answer: BY USING THE HALF DEAD OR WEAKENED FORM OF THE PATHOGEN THAT CAUSE THE DISEASE FOR WHICH THE VACCINE HAS BEEN CREATED.
Explanation:
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