COVID-19 crossword

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Across
  1. 2. action happening suddenly
  2. 4. true with no proof just yet
  3. 5. germs enter the body
  4. 7. naturally occurring important substance in the body
  5. 8. produced by immune system when a germ enters the body
  6. 9. person/people involved in an event
Down
  1. 1. find or notice something
  2. 2. small droplets
  3. 3. set off by something
  4. 6. possible future effect/result
  5. 7. stick with something, not giving up