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Article Publish Status: FREE
Abstract Title:

Deep sequencing reveals persistence of cell-associated mumps vaccine virus in chronic encephalitis.

Abstract Source:

Acta Neuropathol. 2017 01 ;133(1):139-147. Epub 2016 Oct 21. PMID: 27770235

Abstract Author(s):

Sofia Morfopoulou, Edward T Mee, Sarah M Connaughton, Julianne R Brown, Kimberly Gilmour, W K 'Kling' Chong, W Paul Duprex, Deborah Ferguson, Mike Hubank, Ciaran Hutchinson, Marios Kaliakatsos, Stephen McQuaid, Simon Paine, Vincent Plagnol, Christopher Ruis, Alex Virasami, Hong Zhan, Thomas S Jacques, Silke Schepelmann, Waseem Qasim, Judith Breuer

Article Affiliation:

Sofia Morfopoulou

Abstract:

Routine childhood vaccination against measles, mumps and rubella has virtually abolished virus-related morbidity and mortality. Notwithstanding this, we describe here devastating neurological complications associated with the detection of live-attenuated mumps virus Jeryl Lynn (MuV) in the brain of a child who had undergone successful allogeneic transplantation for severe combined immunodeficiency (SCID). This is the first confirmed report of MuVassociated with chronic encephalitis and highlights the need to exclude immunodeficient individuals from immunisation with live-attenuated vaccines. The diagnosis was only possible by deep sequencing of the brain biopsy. Sequence comparison of the vaccine batch to the MuVisolated from brain identified biased hypermutation, particularly in the matrix gene, similar to those found in measles from cases of SSPE. The findings provide unique insights into the pathogenesis of paramyxovirus brain infections.

Study Type : Human: Case Report

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