Volume 24, Number 1—January 2018
Research
Emergence of Vaccine-Derived Polioviruses during Ebola Virus Disease Outbreak, Guinea, 2014–2015
Table 2
Dates | Type | Regions | Target population | No. vaccinated children | Vaccination coverage, % | Vaccine type |
---|---|---|---|---|---|---|
2015 | ||||||
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 |
NID |
Nationwide |
2,523,431 |
2,497,033 |
98.95 |
tOPV |
2016 | ||||||
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.
1These authors contributed equally to this article.
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