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Volume 24, Number 1—January 2018

Emergence of Vaccine-Derived Polioviruses during Ebola Virus Disease Outbreak, Guinea, 2014–2015

Maria Dolores Fernandez-GarciaComments to Author , Manasi Majumdar, Ousmane Kebe, Aichatou D. Fall, Moussa Kone, Mouctar Kande, Moustapha Dabo, Mohamed Salif Sylla, Djenou Sompare, Wayne Howard, Ousmane Faye, Javier Martin1, and Kader Ndiaye1
Author affiliations: Institut Pasteur, Dakar, Senegal (M.D. Fernandez-Garcia, O. Kebe, A.D. Fall, O. Faye, K. Ndiaye); National Institute for Biological Standards and Control, Potters Bar, UK (M. Majumdar, J. Martin); World Health Organization, Conakry, Guinea (M. Kone, M. Kande); Guinean Ministry of Health, Conakry (M. Dabo, M.S. Sylla, D. Sompare); National Institute for Communicable Diseases, Johannesburg, South Africa (W. Howard)

Main Article

Table 2

Supplementary polio immunization activities, Guinea, 2015–2016*

Dates Type Regions Target population No. vaccinated children Vaccination coverage, % Vaccine type
Sep 16–19 SNID Faranah, Kankan, Nzérékoré, Labé 1,142,259 1,175,963 102.95 tOPV
Sep 28–Oct 1 SNID Faranah, Kankan, Nzérékoré, Labé 1,175,963 1,224,364 104.12 tOPV
Dec 5–8
Jan 28–31 NID Nationwide 2,611,902 2,738,818 104.86 tOPV
Mar 3–6 NID Nationwide 2,611,902 2,883,669 110.40 tOPV
Apr 7–10 NID Nationwide 2,880,679 3,066,638 106.46 tOPV
Apr 25–28 SNID Faranah, Kankan 787,399 908,092 115.33 tOPV
Oct 6–9 NID Nationwide 3,187,032 3,330,472 105.00 bOPV
Dec 2–5 NID Nationwide 3,348,132 3,706,752 110.70 bOPV

*Vaccination coverage rates >100% result from vaccination of children who are not part of the initial target because of the movement of the population. bOPV, bivalent oral polio vaccine; NID, national immunization days; SNID, subnational immunization days; tOPV, trivalent oral polio vaccine.

Main Article

1These authors contributed equally to this article.

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