Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America.
<h4>Background</h4>Aedes-borne arboviruses cause both seasonal epidemics and emerging outbreaks with a significant impact on global health. These viruses share mosquito vector species, often infecting the same host population within overlapping geographic regions. Thus, comparative analy...
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Public Library of Science (PLoS)
2023-09-01
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| Series: | PLoS Neglected Tropical Diseases |
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| author | Bernardo Gutierrez Darlan da Silva Candido Sumali Bajaj Abril Paulina Rodriguez Maldonado Fabiola Garces Ayala María de la Luz Torre Rodriguez Adnan Araiza Rodriguez Claudia Wong Arámbula Ernesto Ramírez González Irma López Martínez José Alberto Díaz-Quiñónez Mauricio Vázquez Pichardo Sarah C Hill Julien Thézé Nuno R Faria Oliver G Pybus Lorena Preciado-Llanes Arturo Reyes-Sandoval Moritz U G Kraemer Marina Escalera-Zamudio |
| author_facet | Bernardo Gutierrez Darlan da Silva Candido Sumali Bajaj Abril Paulina Rodriguez Maldonado Fabiola Garces Ayala María de la Luz Torre Rodriguez Adnan Araiza Rodriguez Claudia Wong Arámbula Ernesto Ramírez González Irma López Martínez José Alberto Díaz-Quiñónez Mauricio Vázquez Pichardo Sarah C Hill Julien Thézé Nuno R Faria Oliver G Pybus Lorena Preciado-Llanes Arturo Reyes-Sandoval Moritz U G Kraemer Marina Escalera-Zamudio |
| author_sort | Bernardo Gutierrez |
| collection | DOAJ |
| description | <h4>Background</h4>Aedes-borne arboviruses cause both seasonal epidemics and emerging outbreaks with a significant impact on global health. These viruses share mosquito vector species, often infecting the same host population within overlapping geographic regions. Thus, comparative analyses of the virus evolutionary and epidemiological dynamics across spatial and temporal scales could reveal convergent trends.<h4>Methodology/principal findings</h4>Focusing on Mexico as a case study, we generated novel chikungunya and dengue (CHIKV, DENV-1 and DENV-2) virus genomes from an epidemiological surveillance-derived historical sample collection, and analysed them together with longitudinally-collected genome and epidemiological data from the Americas. Aedes-borne arboviruses endemically circulating within the country were found to be introduced multiple times from lineages predominantly sampled from the Caribbean and Central America. For CHIKV, at least thirteen introductions were inferred over a year, with six of these leading to persistent transmission chains. For both DENV-1 and DENV-2, at least seven introductions were inferred over a decade.<h4>Conclusions/significance</h4>Our results suggest that CHIKV, DENV-1 and DENV-2 in Mexico share evolutionary and epidemiological trajectories. The southwest region of the country was determined to be the most likely location for viral introductions from abroad, with a subsequent spread into the Pacific coast towards the north of Mexico. Virus diffusion patterns observed across the country are likely driven by multiple factors, including mobility linked to human migration from Central towards North America. Considering Mexico's geographic positioning displaying a high human mobility across borders, our results prompt the need to better understand the role of anthropogenic factors in the transmission dynamics of Aedes-borne arboviruses, particularly linked to land-based human migration. |
| format | Article |
| id | doaj-art-c35b09f0aff4488494d43b69f4964ffc |
| institution | Kabale University |
| issn | 1935-2727 1935-2735 |
| language | English |
| publishDate | 2023-09-01 |
| publisher | Public Library of Science (PLoS) |
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| series | PLoS Neglected Tropical Diseases |
| spelling | doaj-art-c35b09f0aff4488494d43b69f4964ffc2025-08-20T03:50:26ZengPublic Library of Science (PLoS)PLoS Neglected Tropical Diseases1935-27271935-27352023-09-01179e001116910.1371/journal.pntd.0011169Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America.Bernardo GutierrezDarlan da Silva CandidoSumali BajajAbril Paulina Rodriguez MaldonadoFabiola Garces AyalaMaría de la Luz Torre RodriguezAdnan Araiza RodriguezClaudia Wong ArámbulaErnesto Ramírez GonzálezIrma López MartínezJosé Alberto Díaz-QuiñónezMauricio Vázquez PichardoSarah C HillJulien ThézéNuno R FariaOliver G PybusLorena Preciado-LlanesArturo Reyes-SandovalMoritz U G KraemerMarina Escalera-Zamudio<h4>Background</h4>Aedes-borne arboviruses cause both seasonal epidemics and emerging outbreaks with a significant impact on global health. These viruses share mosquito vector species, often infecting the same host population within overlapping geographic regions. Thus, comparative analyses of the virus evolutionary and epidemiological dynamics across spatial and temporal scales could reveal convergent trends.<h4>Methodology/principal findings</h4>Focusing on Mexico as a case study, we generated novel chikungunya and dengue (CHIKV, DENV-1 and DENV-2) virus genomes from an epidemiological surveillance-derived historical sample collection, and analysed them together with longitudinally-collected genome and epidemiological data from the Americas. Aedes-borne arboviruses endemically circulating within the country were found to be introduced multiple times from lineages predominantly sampled from the Caribbean and Central America. For CHIKV, at least thirteen introductions were inferred over a year, with six of these leading to persistent transmission chains. For both DENV-1 and DENV-2, at least seven introductions were inferred over a decade.<h4>Conclusions/significance</h4>Our results suggest that CHIKV, DENV-1 and DENV-2 in Mexico share evolutionary and epidemiological trajectories. The southwest region of the country was determined to be the most likely location for viral introductions from abroad, with a subsequent spread into the Pacific coast towards the north of Mexico. Virus diffusion patterns observed across the country are likely driven by multiple factors, including mobility linked to human migration from Central towards North America. Considering Mexico's geographic positioning displaying a high human mobility across borders, our results prompt the need to better understand the role of anthropogenic factors in the transmission dynamics of Aedes-borne arboviruses, particularly linked to land-based human migration.https://journals.plos.org/plosntds/article/file?id=10.1371/journal.pntd.0011169&type=printable |
| spellingShingle | Bernardo Gutierrez Darlan da Silva Candido Sumali Bajaj Abril Paulina Rodriguez Maldonado Fabiola Garces Ayala María de la Luz Torre Rodriguez Adnan Araiza Rodriguez Claudia Wong Arámbula Ernesto Ramírez González Irma López Martínez José Alberto Díaz-Quiñónez Mauricio Vázquez Pichardo Sarah C Hill Julien Thézé Nuno R Faria Oliver G Pybus Lorena Preciado-Llanes Arturo Reyes-Sandoval Moritz U G Kraemer Marina Escalera-Zamudio Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America. PLoS Neglected Tropical Diseases |
| title | Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America. |
| title_full | Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America. |
| title_fullStr | Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America. |
| title_full_unstemmed | Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America. |
| title_short | Convergent trends and spatiotemporal patterns of Aedes-borne arboviruses in Mexico and Central America. |
| title_sort | convergent trends and spatiotemporal patterns of aedes borne arboviruses in mexico and central america |
| url | https://journals.plos.org/plosntds/article/file?id=10.1371/journal.pntd.0011169&type=printable |
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