English
English, 15.01.2020 10:31, adaneri1234

What two effects did the development of vaccines have on society?
controlled infection-causing bacteria
o
control death due to smallpox
became the basis for future research
reduced the deaths of soldiers during wars
reduced the cost of medicines

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Answers: 1

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What two effects did the development of vaccines have on society?
controlled infection-causin...

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