Shipping Schedule

(Last Updated 08/24/2018)

For all orders, Merck will provide a standard delivery date based on the shipping temperature requirements for each package of your order. You may change your requested delivery date if you wish, but please note that expedited shipping charges may apply.


Standard Delivery Schedule by Shipping Method*

Standard Delivery Schedule: UPS Ground
Orders placed by 3 PM local time (2 PM Central)
Order Day Refrigerateda
ProQuad®(Measles, Mumps, Rubella
and Varicella Virus Vaccine Live)
Monday Tuesday Wednesday Tuesday
Tuesday Wednesday Thursday Wednesday
Wednesday Thursday Friday Thursday
Thursday Friday Monday Friday
Friday Tuesday Tuesday Tuesday
Saturday Tuesday Wednesday Tuesday
Sunday Tuesday Wednesday Tuesday

*Subject to customer office hours. Applies to orders in which the customer has a direct purchasing account with Merck to purchase vaccine products. This does not include government/military, CDC, wholesaler, physician distributor, and city/county/state accounts. Merck reserves the right to adjust shipping delivery times.

aProducts shipped refrigerated are: GARDASIL®9 (Human Papillomavirus 9-valent Vaccine, Recombinant), PedvaxHIB® [Haemophilus b Conjugate Vaccine (Meningococcal Protein Conjugate)], PNEUMOVAX®23 (Pneumococcal Vaccine Polyvalent), RotaTeq® (Rotavirus Vaccine, Live, Oral, Pentavalent), RECOMBIVAX HB® [Hepatitis B Vaccine (Recombinant)], VAQTA® (Hepatitis A Vaccine, Inactivated).

bProducts shipped frozen are: M-M-R®II (Measles, Mumps, and Rubella Virus Vaccine Live), VARIVAX® (Varicella Virus Vaccine Live), ZOSTAVAX® (Zoster Vaccine Live).

To ensure you will be receiving your order on the delivery date requested, please track your shipping using the tracking number found on your confirmation e-mail and on


During the following holidays, no vaccine shipments/deliveries will take place:

  • New Year's Day
  • Labor Day
  • Christmas Eve
  • Memorial Day
  • Thanksgiving Day
  • Christmas Day
  • Independence Day
  • Day after Thanksgiving
  • New Year's Eve

If a holiday falls on a Saturday or Sunday, Merck observes it on Monday.

Have Questions?
Call the Merck Vaccine Customer Center M–F from 8 am to 7 pm ET at 
1-877-VAX-MERCK (1-877-829-6372).

VACC-1208145-0002 06/18