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Unanswerd questions under tag vaccine

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What was the first vaccine to be widely used in the western world developed to provide protection against?
posted Jan 5, 2019 by Pankaj Deshmukh
  • vaccine
  • first
0 votes
In what decade was the oral vaccine against polio developed? [MCQ]
posted Jul 31, 2018 by Aman
  • vaccine
  • polio
0 votes
0 answers
Who started vaccination?
posted Jun 27, 2017 by Archana Kumari
  • vaccine
  • first
0 votes
0 answers
When was the first vaccine developed?
posted Jun 26, 2017 by Sanjeev Kumar
  • vaccine
0 votes
0 answers
How do scientists know how to make a flu vaccine if viruses can be different every year?
posted Apr 8, 2017 by Purabi Sarkar
  • scientists
  • science
  • vaccine
+1 vote
0 answers
Which disease is controlled by BCG vaccine and when this vaccine was used first time?
posted Apr 1, 2016 by Deepak Chitragar
  • disease
  • vaccine
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