Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020

On 16–17 January 2020, four suspected mumps cases were reported to the local Public Health Authorities with an epidemiological link to a local school and football club. Of 18 suspected cases identified, 14 were included in this study. Laboratory results confirmed mumps virus as the cause and further...

Descripción completa

Detalles Bibliográficos
Autores principales: Perez Duque, Mariana, San-Bento, Ana, Léon, Lourdes, Custódio, Paula, Esperança, Maria Anjos, Albuquerque, Maria João, Nascimento, Marina, Balasegaram, Sooria, Sá Machado, Rita
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Cambridge University Press 2021
Materias:
From the Field
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8447046/
https://www.ncbi.nlm.nih.gov/pubmed/34446124
http://dx.doi.org/10.1017/S0950268821002028
_version_ 1784568992491372544
author Perez Duque, Mariana
San-Bento, Ana
Léon, Lourdes
Custódio, Paula
Esperança, Maria Anjos
Albuquerque, Maria João
Nascimento, Marina
Balasegaram, Sooria
Sá Machado, Rita
author_facet Perez Duque, Mariana
San-Bento, Ana
Léon, Lourdes
Custódio, Paula
Esperança, Maria Anjos
Albuquerque, Maria João
Nascimento, Marina
Balasegaram, Sooria
Sá Machado, Rita
author_sort Perez Duque, Mariana
collection PubMed
description On 16–17 January 2020, four suspected mumps cases were reported to the local Public Health Authorities with an epidemiological link to a local school and football club. Of 18 suspected cases identified, 14 were included in this study. Laboratory results confirmed mumps virus as the cause and further sequencing identified genotype G. Our findings highlight that even with a high MMR vaccine coverage, mumps outbreaks in children and young adults can occur. Since most of the cases had documented immunity for mumps, we hypothesise that waning immunity or discordant mumps virus strains are likely explanations for this outbreak.
format Online
Article
Text
id pubmed-8447046
institution National Center for Biotechnology Information
language English
publishDate 2021
publisher Cambridge University Press
record_format MEDLINE/PubMed
spelling pubmed-84470462021-09-27 Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020 Perez Duque, Mariana San-Bento, Ana Léon, Lourdes Custódio, Paula Esperança, Maria Anjos Albuquerque, Maria João Nascimento, Marina Balasegaram, Sooria Sá Machado, Rita Epidemiol Infect From the Field On 16–17 January 2020, four suspected mumps cases were reported to the local Public Health Authorities with an epidemiological link to a local school and football club. Of 18 suspected cases identified, 14 were included in this study. Laboratory results confirmed mumps virus as the cause and further sequencing identified genotype G. Our findings highlight that even with a high MMR vaccine coverage, mumps outbreaks in children and young adults can occur. Since most of the cases had documented immunity for mumps, we hypothesise that waning immunity or discordant mumps virus strains are likely explanations for this outbreak. Cambridge University Press 2021-08-27 /pmc/articles/PMC8447046/ /pubmed/34446124 http://dx.doi.org/10.1017/S0950268821002028 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by-nc-nd/4.0/This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided that no alterations are made and the original article is properly cited. The written permission of Cambridge University Press must be obtained prior to any commercial use and/or adaptation of the article.
spellingShingle From the Field
Perez Duque, Mariana
San-Bento, Ana
Léon, Lourdes
Custódio, Paula
Esperança, Maria Anjos
Albuquerque, Maria João
Nascimento, Marina
Balasegaram, Sooria
Sá Machado, Rita
Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020
title Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020
title_full Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020
title_fullStr Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020
title_full_unstemmed Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020
title_short Mumps outbreak among fully vaccinated school-age children and young adults, Portugal 2019/2020
title_sort mumps outbreak among fully vaccinated school-age children and young adults, portugal 2019/2020
topic From the Field
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8447046/
https://www.ncbi.nlm.nih.gov/pubmed/34446124
http://dx.doi.org/10.1017/S0950268821002028
work_keys_str_mv AT perezduquemariana mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT sanbentoana mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT leonlourdes mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT custodiopaula mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT esperancamariaanjos mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT albuquerquemariajoao mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT nascimentomarina mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT balasegaramsooria mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020
AT samachadorita mumpsoutbreakamongfullyvaccinatedschoolagechildrenandyoungadultsportugal20192020

Ejemplares similares