Acknowledgments

Co-authors
Kamran Badizadegan, Nima Badizadegan, Lisa Cairns, Thomas Cherian, Susan Chu, Stephen Cochi, Louis Cooper, Alya Dabbagh, David Featherstone, Marta Gacic-Dobo, James Goodson, Rebecca Martin, William Moss, Cassie Odahowski, Sachiko Ozawa, Robert Perry, Susan Reef, Paul Rota, Emily Simons, Peter Strebel, Rik L. de Swart, Makato Takeda, Maya Vijayaraghavan, Tatenda Yemeke, Laura Zimmerman

Other contributors
Measles and Rubella Laboratory Network, Taiwo Abimbola, James Alexander, Gambo Aliyu, Abhijeet Anand, Bettina Bankamp, Jim Barnes, William Bellini, Deborah Bender, Guthrie Birkhead, Anindya Sekhar Bose, Casey Boudreau, Ruairi Brugha, Jeremy Budd, Edsel Burdge, Anthony Burton, Daniel Carter, Li Chen, Nakia Clemmons, Natasha Crowcroth, Katie Cuming, Felicity Cutts, Vance Dietz, Mary DiOrio, Gretchen Domek, Walter Dowdle, Messeret Eshetu, David Feltz, Matthew Ferrari, Sietske de Fijter, Nic Fisher, Brian Fowler, Linda Fu, Manoj Gambhir, Howard Gary, Andrea Gay, Tracey Goodman, Madhav Goyal, Mark Grabowsky, Christopher Gregory, Simon Gregson, John Grundy, Eelko Hak, Ana-Maria Henao-Restrepo, Homero Hernandez, Alan Hinman, Edward Hoekstra, Sharon Humiston, Raymond Hutubessy, Joseph Icenogle, Jasmine Jacobs, Suresh Jadavh, John Joseph, Jaranit Kaewkungwal, Aiko Kaji, Lidia Kayembe, Sam Katz, Lidia Kayembe, Robert Keegan, Nino Khetsuriani, Jennifer Knapp, Jennifer Kriss, Donald Kraybill, Katrina Kretsinger, John Lange, Robert Linkins, Anna LlupiÓ, Sara Lowther, Apoorva Mallya, Rebecca Martin, Balcha Masresha, Eric Mast, Sara Mercader, Ali Jaffar Mohamed, Saul Morris, Chris Morry, Claude Muller, Walter Orenstein, Sarah Pallas, Mark Pallansch, Mark Papania, Linda Quick, Susan Redd, Lance Rodewald, Kuotong Nongho Rogers (Tambie), Anne Schuchat, Paramita Sengupta, David Sniadack, Thomas Sorensen, Melissa Stockwell, Lilith Tatham, Jasim Uddin, Maya van den Ent, Patrick Vivier, Emilia Vynnycky, Gregory Wallace, Kathleen Wannemuehler, Steven Wassilak, Margaret Watkins, Xia Wei, Jay Wenger, Rachel Winer, Wang Xiaojun, and Anita Zaidi

Funding
CDC: U66IP000519, U2RGH001913
WHO: APW200470477, APW200526236