Abstract:
:To assess areas at risk for poliovirus circulation in Ecuador, we first selected provinces at highest risk based on low immunization coverage with three doses of oral poliovirus vaccine, and a low number of reported cases of acute flaccid paralysis (AFP). Subsequently, we reviewed discharge data for the period 1996--2000 for diagnoses compatible with AFP in the only two national referral hospitals in Quito, and at least two main hospitals in each of the six selected provinces. Environmental samples from one or two cities/towns in each selected province were tested for poliovirus. Of the 14 identified AFP-compatible cases, 8 (57%) had been previously reported and investigated. We visited four out of the six unreported cases; none of those four had sequelae compatible with poliomyelitis. From the 14 environmental samples taken, we identified Sabin viruses in six of the samples; no vaccine-derived polioviruses were isolated. Using this methodology, we found no evidence of undetected poliovirus circulation in Ecuador.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Dayan GH,Rodríguez R,Vinjé J,Vásconez N,Cáceres V,Gregoricus N,Sobsey M,Landaverde Mdoi
10.1017/s0950268804002626subject
Has Abstractpub_date
2004-10-01 00:00:00pages
787-95issue
5eissn
0950-2688issn
1469-4409journal_volume
132pub_type
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