asked 172k views
3 votes
Most ______ immunizations must be re-administered on a regular basis.

asked
User Ricaurte
by
8.4k points

2 Answers

7 votes

Artificial, i think ‍

answered
User Revgum
by
7.4k points
5 votes
Vaccine immunization is the correct answer I really hope that this helps and 
answered
User Aditya T
by
9.0k points
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