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GATE BT 2022 | Question: 42

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Emerging viruses such as $\text{SARS-Co V2}$ cause epidemics. Which of the following process(es) contribute to the rise of such viruses?

  1. Mutation of existing virus
  2. Jumping of existing virus from current to new hosts
  3. Spread of virus in the new host population
  4. Replication of virus outside a host

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