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Answer:

There are 6 steps to getting a vaccine approved.

Explanation:

  • an Investigational New Drug application
  • Pre-licensure vaccine clinical trials
  • A Biologics License Application (BLA)
  • Inspection of the manufacturing facility
  • Presentation of findings to FDA's Vaccines and Related Biological Products Advisory Committee (VRBPAC)
  • Usability testing of product labeling