PUZZLE ON COVID 19

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Across
  1. 3. this term was coined in 1968
  2. 4. vexing first human corona virus infection
  3. 8. corona virus is
  4. 10. started in saudi arabia in 2012
  5. 11. protein to infect human cells
  6. 14. Fabiflu is a brand of
  7. 16. physical distancing
  8. 17. emerged in 2003
  9. 19. scaly anteaters
  10. 21. Common symptom
Down
  1. 1. china approved this
  2. 2. combined product of germany and USA
  3. 5. Emergency Use Authorization
  4. 6. NL63 discovered in
  5. 7. first discovered vaccine by NIH
  6. 9. medical grade face masks
  7. 12. a research centre under FDA
  8. 13. corona virus first started in
  9. 15. It was first identified in
  10. 18. clinical trial in china
  11. 20. this declared COVID as an outbreak