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My Merck Accounts Customer Center

If calling from Canada, please call the Merck Canada Order Desk at 800.463.7521

Adverse Experience Reporting

To report an adverse event with a specific Merck product, please call the Merck National Service Center at 800.NSC.MERCK (800.672.6372)

VACC-0000000-0000 01/18

* The MMA Registration Code is located in the individual’s Account Profile page