asked 223k views
5 votes
Vaccines were developed to provide immunity to a viral infection. Which of the following is a likely hypothesis of why the smallpox vaccine is no longer given?

asked
User Ashkru
by
7.7k points

1 Answer

1 vote
People have grown completely immune to smallpox, meaning that the vaccine has done it's job and is no longer needed.
answered
User Adi Tiwari
by
8.3k points
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