What Do You Think? Answers! 

COVID-19 vaccine (Moderna) is administered as a 2-dose series, separated by 28 days. 



Answer: True. The COVID-19 vaccine (Moderna) schedule is 0, 28 days. 

The same vaccine product does not have to be used for both doses. Another COVID-19 vaccine product can be used to complete the series. 



Answer: False. A series started with COVID-19 vaccine (Moderna) should be completed with the same product. There have been no trials testing the efficacy of a mixed-product series – that is, a series that includes two different COVID-19 vaccine products. 

Administer 0.9 mL of COVID-19 vaccine (Moderna) by intramuscular injection.



Answer: False. The correct dosage (amount) is 0.5 mL. Administer the vaccine by intramuscular (IM) injection in the deltoid muscle of the arm.




Page last reviewed: September 27, 2021