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Why are a larger number of people affected by diseases from new viruses?

A. A new virus can replicate faster in a host cell.
B. Few people are immune to a new virus.
C. A new virus is resistant to existing drugs.
D. People show symptoms of a new virus faster.

User Ali Heikal
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1 Answer

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15 votes
The answer is to the question is A
User Jmsb
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