Deadly flu of 1918

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Across
  1. 3. the virus was first spread by...
  2. 6. you have to be *********** when your sick
  3. 7. it was a worldwide ...
  4. 8. is it a virus or bacteria
Down
  1. 1. what event took place during the pandemic
  2. 2. it helps you fight off disease
  3. 4. a big country it got spread to
  4. 5. soldiers lived in what yuck condition