[1] Resolve Save Lives, Prevent Epidem, Abuja, Nigeria
[2] Nigeria Ctr Dis Control & Prevent, Measles Tech Working Grp, Surveillance & Epidemiol, Abuja, Nigeria
[3] Nigeria Ctr Dis Control & Prevent, IHR Div, Abuja, Nigeria
[4] Volte Hlth Syst Ltd, Abuja, Nigeria
[5] Univ Massachusetts, Sch Publ Hlth & Hlth Sci, Dept Biostat & Epidemiol, Amherst, MA USA
[6] Infect Dis Control Ctr, Kaduna, Kaduna, Nigeria
[7] UK Hlth Secur Agcy, Int Hlth Regulat Strengthening Programme Nigeria, Abuja, Nigeria
[8] London Sch Hyg & Trop Med, London, England
[9] State Minist Hlth, Ebonyi, Nigeria
[10] Kano State Minist Hlth, Kano, Nigeria
[11] Fed Univ Birnin Kebbi, Birnin Kebbi, Kebbi State, Nigeria
[12] Washington DC VA Med Ctr, Washington, DC 20422 USA
[13] Nigeria Ctr Dis Control, Abuja, Nigeria
[14] Nigeria Ctr Dis Control & Prevent, Dept Surveillance & Epidemiol, Abuja, Nigeria
[15] Fdn Innovat New Diagnost FIND, CH-1202 Geneva, Switzerland
[16] Univ Hosp Geneva, Geneva, Switzerland
[17] WHO Global Hub Pandem & Epidem Intelligence, Hlth Emergency Intelligence & Surveillance Syst, Prinzessinnenstr 17-18, D-10969 Berlin, Germany