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Adenovirus-based vaccines have existed a while, so it is not as new as mRNA vaccines are. That is my reason. Why the downvotes? it is a legit answer to the OP'
by dmitrygr 6y ago
Adenovirus-based vaccines have existed a while, so it is not as new as mRNA vaccines are. That is my reason.
Why the downvotes? it is a legit answer to the OP's question
- deleted 6y ago[deleted]