Which is the 1st vaccine developed against chickenpox?
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Attenuated varicella vaccine was the first vaccine developed against chickenpox.....
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Attenuated Varicella Vaccine was the first vaccine developed against Chicken pox. It is discovered in Japan in 1970s. Actually, at that time many people were died of Chicken pox due to lack of medication so that Doctors found this vaccine to cure Chicken pox.
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