History of Vaccines

Questions (4)

The first vaccine to be developed protected people againsta polio. b AIDS. c smallpox. d tetanus.
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The first vaccine to be developed protected people againsta AIDS. b smallpox. c polio. d tetanus.
1. 1 answer
2. asked anonymously
3. 31 views
The first vaccine to be developed protected people againsta tetanus. b polio. c smallpox. d AIDS.
1. 1 answer
2. asked anonymously
3. 11 views
The first vaccine to be developed protected people againstAIDS. smallpox. tetanus. polio. choose the correct answer
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3. 5 views