Volume 24, Number 1—January 2018
Research
Emergence of Vaccine-Derived Polioviruses during Ebola Virus Disease Outbreak, Guinea, 2014–2015
Table 3
AFP surveillance quality indicators in Guinea, 2012–2016*
Indicator | Target | 2012 | 2013 | 2014 | 2015 | 2016 |
---|---|---|---|---|---|---|
AFP cases reported, no. | NA | 186 | 221 | 132 | 113 | 1,298 |
AFP cases with 2 fecal specimens collected within 14 d of onset of paralysis, % | 80 | 92.4 | 92.3 | 95.7 | 71.7 | 89.6 |
Fecal specimens arriving at national level within 3 d of being sent, % | 80 | 83.4 | 87.9 | 87.8 | 79 | 58.8 |
Fecal specimens arriving at laboratory in good condition, % | 90 | 63.7 | 54.6 | 86.4 | 94.3 | 94.2 |
Fecal specimens for which laboratory results were sent within 14 d of receipt at lab, % | 80 | 100 | 100 | 99.2 | 93.1 | 62.5 |
Fecal specimens from which nonpolio enterovirus was isolated, % | 10 | 12.8 | 8.5 | 12.4 | 7.5 | 16.1 |
VDPVs, no. | NA | 0 | 0 | 1 | 12 | 0 |
Sabin virus, no. | NA | 12 | 29 | 1 | 37 | 182 |
*AFP, acute flaccid paralysis; NA, not applicable; VDPV, vaccine-derived poliovirus.
1These authors contributed equally to this article.