Seroepidemiology for MERS coronavirus using microneutralisation and pseudoparticle virus neutralisation assays reveal a high prevalence of antibody in dromedary camels in Egypt, June 2013.
Identifieur interne : 001F11 ( Main/Exploration ); précédent : 001F10; suivant : 001F12Seroepidemiology for MERS coronavirus using microneutralisation and pseudoparticle virus neutralisation assays reveal a high prevalence of antibody in dromedary camels in Egypt, June 2013.
Auteurs : R A Perera [République populaire de Chine] ; P. Wang ; M R Gomaa ; R. El-Shesheny ; A. Kandeil ; O. Bagato ; L Y Siu ; M M Shehata ; A S Kayed ; Y. Moatasim ; M. Li ; L L Poon ; Y. Guan ; R J Webby ; M A Ali ; J S Peiris ; G. KayaliSource :
- Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin [ 1560-7917 ] ; 2013.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Animaux, Anticorps antiviraux (sang), Anticorps neutralisants (sang), Bovins (sang), Buffles (sang), Chameaux (sang), Coronavirus (immunologie), Coronavirus (isolement et purification), Enfant, Enfant d'âge préscolaire, Femelle, Humains, Infections de l'appareil respiratoire (sang), Infections de l'appareil respiratoire (virologie), Infections de l'appareil respiratoire (épidémiologie), Infections à coronavirus (sang), Infections à coronavirus (virologie), Infections à coronavirus (épidémiologie), Jeune adulte, Mâle, Prévalence, Sujet âgé, Égypte (épidémiologie), Études cas-témoins, Études séroépidémiologiques.
- MESH :
- immunologie : Coronavirus.
- isolement et purification : Coronavirus.
- sang : Anticorps antiviraux, Anticorps neutralisants, Bovins, Buffles, Chameaux, Infections de l'appareil respiratoire, Infections à coronavirus.
- virologie : Infections de l'appareil respiratoire, Infections à coronavirus.
- épidémiologie : Infections de l'appareil respiratoire, Infections à coronavirus, Égypte.
- Adolescent, Adulte, Adulte d'âge moyen, Animaux, Enfant, Enfant d'âge préscolaire, Femelle, Humains, Jeune adulte, Mâle, Prévalence, Sujet âgé, Études cas-témoins, Études séroépidémiologiques.
English descriptors
- KwdEn :
- Adolescent, Adult, Aged, Animals, Antibodies, Neutralizing (blood), Antibodies, Viral (blood), Buffaloes (blood), Camelus (blood), Case-Control Studies, Cattle (blood), Child, Child, Preschool, Coronavirus (immunology), Coronavirus (isolation & purification), Coronavirus Infections (blood), Coronavirus Infections (epidemiology), Coronavirus Infections (virology), Egypt (epidemiology), Female, Humans, Male, Middle Aged, Prevalence, Respiratory Tract Infections (blood), Respiratory Tract Infections (epidemiology), Respiratory Tract Infections (virology), Seroepidemiologic Studies, Young Adult.
- MESH :
- chemical , blood : Antibodies, Neutralizing, Antibodies, Viral.
- blood : Buffaloes, Camelus, Cattle, Coronavirus Infections, Respiratory Tract Infections.
- epidemiology : Coronavirus Infections, Egypt, Respiratory Tract Infections.
- immunology : Coronavirus.
- isolation & purification : Coronavirus.
- virology : Coronavirus Infections, Respiratory Tract Infections.
- Adolescent, Adult, Aged, Animals, Case-Control Studies, Child, Child, Preschool, Female, Humans, Male, Middle Aged, Prevalence, Seroepidemiologic Studies, Young Adult.
Abstract
We describe a novel spike pseudoparticle neutralisation assay (ppNT) for seroepidemiological studies on Middle East respiratory syndrome coronavirus (MERSCoV) and apply this assay together with conventional microneutralisation (MN) tests to investigate 1,343 human and 625 animal sera. The sera were collected in Egypt as a region adjacent to areas where MERS has been described, and in Hong Kong, China as a control region. Sera from dromedary camels had a high prevalence of antibody reactive to MERS-CoV by MERS NT (93.6%) and MERS ppNT (98.2%) assay. The antibody titres ranged up to 1,280 and higher in MN assays and 10,240 and higher in ppNT assays. No other investigated species had any antibody reactivity to MERS-CoV. While seropositivity does not exclude the possibility of infection with a closely related virus, our data highlight the need to attempt detection of MERSCoV or related coronaviruses in dromedary camels. The data show excellent correlation between the conventional MN assay and the novel ppNT assay. The newly developed ppNT assay does not require Biosafety Level 3 containment and is thus a relatively high-throughput assay, well suited for large-scale seroepidemiology studies which are needed to better understand the ecology and epidemiology of MERS-CoV.
DOI: 10.2807/1560-7917.es2013.18.36.20574
PubMed: 24079378
Affiliations:
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Le document en format XML
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<author><name sortKey="Webby, R J" sort="Webby, R J" uniqKey="Webby R" first="R J" last="Webby">R J Webby</name>
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<series><title level="j">Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin</title>
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<term>Buffaloes (blood)</term>
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<term>Case-Control Studies</term>
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<term>Respiratory Tract Infections (epidemiology)</term>
<term>Respiratory Tract Infections (virology)</term>
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<term>Young Adult</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Animaux</term>
<term>Anticorps antiviraux (sang)</term>
<term>Anticorps neutralisants (sang)</term>
<term>Bovins (sang)</term>
<term>Buffles (sang)</term>
<term>Chameaux (sang)</term>
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<term>Coronavirus (isolement et purification)</term>
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<front><div type="abstract" xml:lang="en">We describe a novel spike pseudoparticle neutralisation assay (ppNT) for seroepidemiological studies on Middle East respiratory syndrome coronavirus (MERSCoV) and apply this assay together with conventional microneutralisation (MN) tests to investigate 1,343 human and 625 animal sera. The sera were collected in Egypt as a region adjacent to areas where MERS has been described, and in Hong Kong, China as a control region. Sera from dromedary camels had a high prevalence of antibody reactive to MERS-CoV by MERS NT (93.6%) and MERS ppNT (98.2%) assay. The antibody titres ranged up to 1,280 and higher in MN assays and 10,240 and higher in ppNT assays. No other investigated species had any antibody reactivity to MERS-CoV. While seropositivity does not exclude the possibility of infection with a closely related virus, our data highlight the need to attempt detection of MERSCoV or related coronaviruses in dromedary camels. The data show excellent correlation between the conventional MN assay and the novel ppNT assay. The newly developed ppNT assay does not require Biosafety Level 3 containment and is thus a relatively high-throughput assay, well suited for large-scale seroepidemiology studies which are needed to better understand the ecology and epidemiology of MERS-CoV.</div>
</front>
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<name sortKey="El Shesheny, R" sort="El Shesheny, R" uniqKey="El Shesheny R" first="R" last="El-Shesheny">R. El-Shesheny</name>
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