2007
DOI: 10.1016/j.jcv.2007.04.002
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Vaccine-associated paralytic poliomyelitis in a patient with MHC class II deficiency

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Cited by 27 publications
(18 citation statements)
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“…This combined immunodeficiency is also diagnosed in a majority (6 out of 11) of the enterovirus-positive patients identified in this series, corresponding to 54% of cases. Three out of the six patients were poliovirus infected; this finding is particularly important since vaccine-associated paralytic poliomyelitis (VAPP) has been found in MHC class II-deficient patients (24). MHC class II deficiency is characterized by the absence of antigen presentation to T cells by MHC class II-negative antigen-presenting cells (APCs) and, as a consequence, an absence of T cell responses and help to B cells with low antibody production.…”
Section: Discussionmentioning
confidence: 99%
“…This combined immunodeficiency is also diagnosed in a majority (6 out of 11) of the enterovirus-positive patients identified in this series, corresponding to 54% of cases. Three out of the six patients were poliovirus infected; this finding is particularly important since vaccine-associated paralytic poliomyelitis (VAPP) has been found in MHC class II-deficient patients (24). MHC class II deficiency is characterized by the absence of antigen presentation to T cells by MHC class II-negative antigen-presenting cells (APCs) and, as a consequence, an absence of T cell responses and help to B cells with low antibody production.…”
Section: Discussionmentioning
confidence: 99%
“…Covering 100% of infants younger than 1 year of age by OPV, viral-induced poliomyelitis is close to eradication in Iran. Reports of VAPP cases in immunodeficient patients bring about concern regarding the endgame strategies of polio eradication in Iran [7]. As OPV is administered at birth when most primary immunodeficien- Immunodeficient recipients of OPV are potentially predisposed to become long-term excretors of poliovirus vaccine strains (immunodeficiency-associated vaccinederived polioviruses [iVDPV]), with the possible risk of both developing paralysis and reintroducing reverted virulent poliovirus into the population after polio vaccination is stopped [5].…”
Section: Discussionmentioning
confidence: 99%
“…And the major part of the OPV used for vaccination in Iran has been provided by the local manufacturer which used MRC-5 cells for vaccine production. Exhaustive national surveillance of all acute flaccid paralysis (AFP) cases in Iran, especially in recent years, revealed that only a few cases (six cases during 10-years of surveillance) had VAPP, mostly in association with immunodeficiency (iVAPP), have been reported as yet [Parvaneh et al, 2007;Rahimi et al, 2007a,b;Davarpanah et al, 2008;Mamishi et al, 2008;Shahmahmoodi et al, 2008Shahmahmoodi et al, , 2009, and no increased level of complications was observed in vaccinees. The risk of VAPP among recipients and/or contacts was 1 case per 745,000 to 7,142,000 used doses of OPV in different parts of the world [WHO, 1982;Nkowane et al, 1987;Joce et al, 1992;Strebel et al, 1992;Prevots et al, 1994;Andrus et al, 1995;Kohler et al, 1999;Zimmerman and Spann, 1999;SamoDlovich et al, 2007].…”
Section: Discussionmentioning
confidence: 99%