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The outbreak of flu in August of 1918 was 10 times more deadly than the first outbreak. Why was there a change?

User Hainq
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2 Answers

4 votes
Well in my opinion I think overtime things can get stronger and people can also mutate the virus we really never know
User Thinh
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7 votes

Answer:

because of evolution things die overtime some grow and get stronger

User Brian Noah
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