Virus Crossword

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Across
  1. 2. People used to have parties to spread this virus to their children so that they would have immunity.
  2. 5. Primarily spread via infected mosquitoes.
Down
  1. 1. The deadliest virus using the case fatality rate metric. Fatal to humans in 99% of cases.
  2. 3. A recent virus that caused a worldwide quarantine.
  3. 4. You should get a shot to prevent new outbreaks every year.