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Table 1 Characteristics of aVDPVs from Kamuli, Kween, and Kisoro districts of Uganda

From: The detection of 3 ambiguous type 2 vaccine-derived polioviruses (VDPV2s) in Uganda

  aVDPV (contact 1) AFP case 1 aVDPV (contact 2) AFP case 2 aVDPV (primary)
Place of isolation Kamuli, 167 km from Kampala, Eastern Uganda Kween, 299 km from Kampala, Eastern Uganda Kisoro 481 km from Kampala, South-western Uganda, borders DRC
Date of onset of paralysis (AFP case)   13th Aug 2014   28th Jul 2014 18th May 2014
Date of laboratory confirmation of VDPV 03rd Nov 2014   03rd Nov 2014   04th May 2016
OPV dose history 1 4 2 (1 and 3) 4
Last OPV dose 02nd Jul 2014 18th Dec 2012 20th Nov 2012 February 2015
Card seen? Yes Yes Yes
CD4 count /μl 2548 3467 1417 1470 Note done
Age (months) 4 39 24 26 1
Sex M M M F F
Stool conditions for the original specimens One specimen delivered at 4-8 °C Two specimens delivered at 4-8 °C One specimen delivered at 4-8 °C Two specimens delivered at 4-8 °C Two specimens delivered at 4-8oC
Relationship to the AFP case Sibling   Not specified   Not applicable
Injection given (date)   11 & 12th Aug 2014   aSeptember 2013 none
Diagnoses for the AFP case   Injection neuritis, left leg   Injection neuritis, right leg Congenital abnormality, left arm
On 60th day follow up of the AFP case   Completely recovered   Limp gait, right leg Not done
Proportion of cases (6 months to 15 years) with OPV3+ immunisation status ≥80% 2011–75% 2012–67% 2013–100% 2014- - 67% 60% 50% - 0% 100% 38% -
Non polio AFR rate (≥ 4/100,000) 2011–1.59 2012–1.22 2013–0.79 2014–2.09 5.83 19.76 22.99 18.27 1.53 3.2 6.23 6.60
Stool adequacy ≥80% 2011–75% 2012–67% 2013–50% 2014–20% 92% 100% 50% 89% 0% 100% 63% 88%
Father’s occupation Businessman   Businessman   Peasant
Mother’s occupation Housewife   
Residence population Densely populated Clusters of home steads Spaced clusters of home steads
Landscape Flat Mountainous terrain Steep mountainous
Visitors that came to the home recently   few   numerous
Clean water source No running water No running water 45% have clean water
Vaccine supply Not regular Regular
Sanitation Poor conditions Poor conditions Good conditions
30 household survey 50% had received OPV for their age 62% of the households surveyed had been fully immunised for poliovirus Not done
Health seeking behaviour of the community Poor, negative beliefs about immunization Poor health seeking behaviour, does not honour medical appointments Good health seeking behaviour, seeks for treatment
  1. The table shows the identifiers, personal characteristics, vaccine coverage, and AFP surveillance indicators for the 3 VDPVs that have been detected in Uganda
  2. athe exact date of receiving the injection not known, and –: the information was not available