Moderna Vaccine Guide


What to Expect after a COVID-19 Vaccination

Print informationpdf icon for your patients on common side effects, helpful tips, and when to call a doctor after a COVID-19 vaccination. For a comparison on Moderna vs Pfizer vaccine, visit our site.


General Information:
Multidose vial: 10 doses per vial
Dosage: 0.5 mL

Do NOT mix with a diluent.
Discard vial when there is not enough vaccine to obtain a complete dose. Do NOT combine residual vaccine from multiple vials to obtain a dose.

Age Indications:
18 years of age and older

2-dose series separated by 28 days
A series started with COVID-19 vaccine (Moderna) should be completed with this product.

Intramuscular (I

Before administering vaccine, screen recipients for contraindications and precautions, even if this is the second dose. The recipient’s health condition or recommendations regarding contraindications and precautions for vaccination may change from one visit to the next.

To assess patients correctly and consistently, vaccination providers should use a standardized, comprehensive screening tool.

M) injection in the deltoid muscle

COVID-19 vaccination providers must document vaccine administration in their medical record systems within 24 hours of administration and use their best efforts to report administration data to the relevant system for the jurisdiction (i.e., immunization information system)

Report Adverse Events

Adverse events that occur in a recipient after COVID-19 vaccination are required to be reported to the Vaccine Adverse Event Reporting System (VAERS). FDA requires vaccination providers to report vaccine administration errors, serious adverse events, cases of multisystem inflammatory syndrome, and cases of COVID-19 that result in hospitalization or death after administration of COVID-19 vaccine under an EUA. Reporting is encouraged for other clinically significant adverse events, even if it is not clear that a vaccine caused the adverse event. Complete and submit reports to VAERS onlineexternal icon.

For further assistance with reporting to VAERS, call 1-800-822-7967.

as soon as practicable and no later than 72 hours after administration.