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alexdok [17]
4 years ago
5

Which of the following developments in vaccines occurred most recently?

Biology
1 answer:
iragen [17]4 years ago
6 0
The correct answer here is C - out of the developments listed, the most recent development in the use of vaccines was the approval from the government of a vaccine that can be used against Hepatitis B. This happened relatively recently, in 1981.
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