1 Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, 1600 Clifton Road N.E., Mailstop H16-+5, Building 16, Atlanta, GA, 30329, USA. jmontgomery@cdc.gov.
2 Present Address: National Center for Emerging and Zoonotic Infectious Diseases, Office of the Director, Centers for Disease Control and Prevention, Atlanta, GA, USA. jmontgomery@cdc.gov.
3 Center for Global Health Science and Security, Georgetown University, Washington, DC, USA.
4 Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, 1600 Clifton Road N.E., Mailstop H16-+5, Building 16, Atlanta, GA, 30329, USA.
5 Office of Public Health Science and Surveillance, Centers for Disease Control and Prevention, Atlanta, GA, USA.
6 National Center for Health Statistics, Division of Vital Statistics, Centers for Disease Control and Prevention, Atlanta, GA, USA.
7 Present Address: Pfizer Vaccines, Portland, OR, USA.
8 Bill and Melinda Gates Foundation, Seattle, WA, USA.