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Question
Which year was the world's first chickenpox vaccine rolled out?
Options
1975
1986
1981
1969
MCQ
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Solution
1986
Explanation:
In 1986, the Research Foundation for Microbial Diseases launched the world's first chickenpox vaccine, the only varicella vaccine licenced by the World Health Organization.
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General Science and Technology Current Affair (Entrance Exam)
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