MenACWY: You’re Not Done If You Give Just One: Give 2 Doses to Strengthen Protection
A project of Immunize.org in collaboration with Sanofi Pasteur. This collaboration aims to raise awareness of the low immunization rates for the meningococcal (MenACWY) booster doses, help healthcare providers know their second-dose MenACWY coverage rates, and supply tools for providers to increase rates and help close the MenACWY booster dose gap.
About Immunize.org

Immunize.org works to increase immunization rates and prevent disease through its practical educational materials designed to enhance the quality and safety of immunization services. We work with partners to advocate for policies that increase vaccination of people of all ages. We also facilitate communication about the safety, effectiveness, and use of vaccines within the broad immunization community of patients, parents, healthcare organizations, and government health agencies.
About Sanofi Pasteur

Innovation begins with curiosity, and at Sanofi, that curiosity drives us to chase the miracles of science every day. Across our global research network, thousands of scientists, engineers, and partners are breaking boundaries in science to bring life-changing solutions to patients faster. Whether it’s developing life-changing vaccines that protect people or pioneering next-generation therapies, we’re united to chase the miracles of science so you can chase your dreams.
This page was updated on February 13, 2026.
