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Biology, 18.01.2021 08:10 lolomgwtfnvm4
50 years ago people were much more willing to get vaccines for diseases like polio, measles, and pertussis. Why are people more afraid to get them today?
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Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
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50 years ago people were much more willing to get vaccines for diseases like polio, measles, and per...
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