Put the steps for testing the safety and effectiveness of a new vaccine in the correct order.
Steps (3 items) (Drag and drop into the appropriate area)
Clinical trials are performed on humans.
Safe and effective vaccines are approved by the FDA for sale.
Safety and efficacy trials are performed on animal or cell models.
Testing the Vaccine
1
2
3
First step
Last step
Step 3: Safety and efficacy trials are performed on animal or cell models.
Step 1: Clinical trials are performed on humans.
Step 2: Safe and effective vaccines are approved by the FDA for sale.