What Do You Think? Answers

Updated (2023–2024 Formula) Pfizer-BioNTech 12 years of age and older formulation (gray cap): 

Administer 0.3 mL of vaccine intramuscularly.

• TRUE The correct injection volume for the monovalent gray cap vaccine is 0.3 mL administered intramuscularly.
  

Mix 1.3 mL of diluent with vaccine. 

• False The 12 years of age and older formulation (gray cap) should NOT be mixed with diluent.
  

Shake vigorously to mix vaccine.

• False Gently invert the vial 10 times to mix the vaccine. The vaccine should NOT be shaken. Vials that are inadvertently shaken should be discarded.

Source: Package-Insert-COMIRNATY (fda.gov)