Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication

Porcine reproductive and respiratory syndrome (PRRS) is the cause of the most severe economic losses in the pig industry worldwide. PRRSV is extremely diverse in Europe, which poses a significant challenge to disease control within a country or any region. With the combination of phylogenetic recons...

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Main Authors: Ádám Bálint, Szilvia Jakab, Eszter Kaszab, Szilvia Marton, Krisztián Bányai, Sándor Kecskeméti, István Szabó
Format: Article
Language:English
Published: MDPI AG 2024-01-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/14/1/175
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author Ádám Bálint
Szilvia Jakab
Eszter Kaszab
Szilvia Marton
Krisztián Bányai
Sándor Kecskeméti
István Szabó
author_facet Ádám Bálint
Szilvia Jakab
Eszter Kaszab
Szilvia Marton
Krisztián Bányai
Sándor Kecskeméti
István Szabó
author_sort Ádám Bálint
collection DOAJ
description Porcine reproductive and respiratory syndrome (PRRS) is the cause of the most severe economic losses in the pig industry worldwide. PRRSV is extremely diverse in Europe, which poses a significant challenge to disease control within a country or any region. With the combination of phylogenetic reconstruction and network analysis, we aimed to uncover the major routes of the dispersal of PRRSV clades within Hungary. In brief, by analyzing >2600 ORF5 sequences, we identified at least 12 clades (including 6 clades within lineage 1 and 3 clades within lineage 3) common in parts of Western Europe (including Denmark, Germany and the Netherlands) and identified 2 novel clades (designated X1 and X2). Of interest, some genetic clades unique to other central European countries, such as the Czech Republic and Poland, were not identified. The pattern of PRRSV clade distribution is consistent with the route of the pig trade among countries, showing that most of the identified clades were introduced from Western Europe when fatteners were transported to Hungary. As a result of rigorous implementation of the national eradication program, the swine population was declared officially free from PRRSV. This map of viral diversity and clade distribution will serve as valuable baseline information for the maintenance of PRRSV-free status in the post-eradication era.
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spelling doaj.art-2dad46b9896d44fa8568d7093e0938bc2024-01-10T14:50:34ZengMDPI AGAnimals2076-26152024-01-0114117510.3390/ani14010175Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease EradicationÁdám Bálint0Szilvia Jakab1Eszter Kaszab2Szilvia Marton3Krisztián Bányai4Sándor Kecskeméti5István Szabó6Veterinary Diagnostic Directorate, National Food Chain Safety Office, H-1143 Budapest, HungaryNational Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, H-1143 Budapest, HungaryNational Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, H-1143 Budapest, HungaryNational Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, H-1143 Budapest, HungaryNational Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, H-1143 Budapest, HungaryVeterinary Diagnostic Directorate, National Food Chain Safety Office, H-1143 Budapest, HungaryNational PRRS Eradication Committee, H-1024 Budapest, HungaryPorcine reproductive and respiratory syndrome (PRRS) is the cause of the most severe economic losses in the pig industry worldwide. PRRSV is extremely diverse in Europe, which poses a significant challenge to disease control within a country or any region. With the combination of phylogenetic reconstruction and network analysis, we aimed to uncover the major routes of the dispersal of PRRSV clades within Hungary. In brief, by analyzing >2600 ORF5 sequences, we identified at least 12 clades (including 6 clades within lineage 1 and 3 clades within lineage 3) common in parts of Western Europe (including Denmark, Germany and the Netherlands) and identified 2 novel clades (designated X1 and X2). Of interest, some genetic clades unique to other central European countries, such as the Czech Republic and Poland, were not identified. The pattern of PRRSV clade distribution is consistent with the route of the pig trade among countries, showing that most of the identified clades were introduced from Western Europe when fatteners were transported to Hungary. As a result of rigorous implementation of the national eradication program, the swine population was declared officially free from PRRSV. This map of viral diversity and clade distribution will serve as valuable baseline information for the maintenance of PRRSV-free status in the post-eradication era.https://www.mdpi.com/2076-2615/14/1/175porcine reproductive and respiratory syndromedisease eradicationphylogenygenetic diversitymolecular epidemiologyPRRS
spellingShingle Ádám Bálint
Szilvia Jakab
Eszter Kaszab
Szilvia Marton
Krisztián Bányai
Sándor Kecskeméti
István Szabó
Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication
Animals
porcine reproductive and respiratory syndrome
disease eradication
phylogeny
genetic diversity
molecular epidemiology
PRRS
title Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication
title_full Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication
title_fullStr Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication
title_full_unstemmed Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication
title_short Spatiotemporal Distribution of PRRSV-1 Clades in Hungary with a Focus on the Era of Disease Eradication
title_sort spatiotemporal distribution of prrsv 1 clades in hungary with a focus on the era of disease eradication
topic porcine reproductive and respiratory syndrome
disease eradication
phylogeny
genetic diversity
molecular epidemiology
PRRS
url https://www.mdpi.com/2076-2615/14/1/175
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