Bio Crossword

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Across
  1. 3. caused by the same virus that causes chickenpox
  2. 6. studies microscopic organisms
  3. 9. a highly contagious virus that infects nearly all young children
  4. 10. is caused by a virus transmitted primarily by Aedes mosquitoes
Down
  1. 1. a group of related viruses that are highly contagious
  2. 2. a serious bacterial infection that most often leads to severe swelling of the tissues surrounding the brain
  3. 4. a rare and deadly disease caused by infection with a virus
  4. 5. a serious illness caused by bacteria.
  5. 7. a contagious viral infection of the nose, throat, and lungs
  6. 8. commonly called lockjaw, is a bacterial disease that affects the nervous system.