Julián E. García‐Rejón

Autonomous University of Yucatán

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Carlos M. Baak‐Baak

Autonomous University of Yucatán

Nohemí Cigarroa-Toledo

Autonomous University of Yucatán

Carlos Machaín-Williams

Instituto Politécnico Nacional

María A. Loroño-Pino

Autonomous University of Yucatán

Bradley J. Blitvich

Iowa State University

José A. Farfán-Ale

Autonomous University of Yucatán

Barry J. Beaty

Colorado State University

Rosa C. Cetina-Trejo

Autonomous University of Yucatán

Oswaldo M. Torres‐Chable

Universidad Juárez Autónoma de Tabasco

Lourdes G. Talavera-Aguilar

Autonomous University of Yucatán

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Autonomous University of Yucatán

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Colorado State University

Universidad Autónoma de Nuevo León

Iowa State University

Centers for Disease Control and Prevention

Instituto Nacional de Salud Pública

Instituto Politécnico Nacional

Universidad Nacional Autónoma de México

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Institut de Recherche pour le Développement

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An Updated Review of the Invasive <em>Aedes albopictus</em> in the Americas; Geographical Distribution, Host Feeding Patterns, Arbovirus Infection, and the Potential for Vertical Transmission of Dengue Virus

Julián E. García‐Rejón Juan Carlos Navarro Nohemí Cigarroa-Toledo Carlos M. Baak‐Baak

The aim of the work was to update the distribution range of Aedes (Stegomyia) albopictus Skuse in the Americas, review the blood-feeding patterns and compare the minimum infection rate (MIR) of the dengue virus (DENV) between studies of vertical and horizontal transmission. The current dis-tribution of Ae. albopictus encompasses 21 countries in the Americas. Extensive review has been conducted for the blood-feeding patterns of Ae. albopictus. The results suggest that the mosquito is capable of feeding on 16 species of mammals and five species of avian. Humans, dogs, and rats are the most common host. Eight arboviruses with the potential to infect humans and animals have been isolated in Ae. albopictus. In the United States of America (USA), Eastern equine encephalitis virus, Keystone virus, La Crosse Virus, West Nile virus, and Cache Valley virus were isolated in the Asian mosquito. In Brazil, Mexico, Colombia, and Costa Rica, DENV (all serotypes) has been frequently identified in field-caught Ae. albopictus. Overall, the estimated MIR in Ae. albopictus infected with DENV is similar between horizontal (10.95) and vertical transmission (8.28). However, in vertical transmission, there is a difference in the MIR values if the DENV is identified from larvae or adults (males and females emerged from a collection of eggs or larvae). MIR es-timated from larvae is 14.04 and in adults is 4.04. In conclusion, it has to be highlighted that Ae. albopictus is an invasive mosquito with wide phenotypic plasticity to adapt to broad and new areas, it is highly efficient to transmit the DENV horizontally and vertically, it can participate in the inter-endemic transmission of the dengue disease, and it can spread zoonotic arboviruses across forest and urban settings.

Aedes albopictus

Horizontal transmission

10.20944/preprints202109.0119.v1

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Orthobunyavirus Antibodies in Humans, Yucatan Peninsula, Mexico

Emerging infectious diseases (2012)

Bradley J. Blitvich Rungrat Saiyasombat Lourdes G. Talavera-Aguilar Julián E. García‐Rejón José A. Farfán-Ale

We performed a serologic investigation to determine whether orthobunyaviruses commonly infect humans in the Yucatan Peninsula of Mexico. Orthobunyavirus-specific antibodies were detected by plaque reduction neutralization test in 146 (18%) of 823 persons tested. Further studies are needed to determine health risks for humans from this potentially deadly group of viruses.

Orthobunyavirus

Yucatan peninsula

Peninsula

10.3201/eid1810.120492

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Citations (17)

Cell Phone-Based System (Chaak) for Surveillance of Immatures of Dengue Virus Mosquito Vectors

Journal of Medical Entomology (2013)

Saúl Lozano‐Fuentes Fadi Wedyan Edgar Hernandez-Garcia Devadatta Sadhu Sudipto Ghosh

Capture of surveillance data on mobile devices and rapid transfer of such data from these devices into an electronic database or data management and decision support systems promote timely data analyses and public health response during disease outbreaks. Mobile data capture is used increasingly for malaria surveillance and holds great promise for surveillance of other neglected tropical diseases. We focused on mosquito-borne dengue, with the primary aims of: 1) developing and field-testing a cell phone-based system (called Chaak) for capture of data relating to the surveillance of the mosquito immature stages, and 2) assessing, in the dengue endemic setting of Mérida, México, the cost-effectiveness of this new technology versus paper-based data collection. Chaak includes a desktop component, where a manager selects premises to be surveyed for mosquito immatures, and a cell phone component, where the surveyor receives the assigned tasks and captures the data. Data collected on the cell phone can be transferred to a central database through different modes of transmission, including near-real time where data are transferred immediately (e.g., over the Internet) or by first storing data on the cell phone for future transmission. Spatial data are handled in a novel, semantically driven, geographic information system. Compared with a pen-and-paper-based method, use of Chaak improved the accuracy and increased the speed of data transcription into an electronic database. The cost-effectiveness of using the Chaak system will depend largely on the up-front cost of purchasing cell phones and the recurring cost of data transfer over a cellular network.

Mobile phone

Disease Surveillance

10.1603/me13008

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Citations (42)

FIRST STATE AND NATIONAL RECORDS OF CULICOIDES DEBILIPALPIS AND CULICOIDES REEVESI IN CHIHUAHUA, MEXICO

Journal of the American Mosquito Control Association (2025)

Rodolfo González-Peña S. Viridiana Laredo-Tiscareño Herón Huerta Luis M. Hernández‐Triana Erick de Jesús de Luna-Santillana

ABSTRACT In July 2022, adult female Culicoides were collected from San Buenaventura (54 specimens) and Urique (3 specimens) in Chihuahua, Mexico. Culicoides reevesi and Culicoides debilipalpis were new records for the state, with C. reevesi also being a first for Mexico. The study highlights DNA barcode identification challenges and emphasizes the need for ongoing surveillance along the Mexico-USA border.

Culicoides

Ceratopogonidae

DNA Barcoding

10.2987/24-7207

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Serologic evidence of West Nile virus infection in horses, Yucatan state, Mexico

Revista biomédica - Universidad Autónoma de Yucatán (2003)

Maria A. Pino Bradley J. Blitvich José Arturo Farfán Ale Fernando I. Puerto Jorge Blanco

West Nile virus

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Diet of two invasive rodent species in two Mayan communities in Mexico

Mammalia (2019)

Jesús Alonso Panti–May Yessica Gurubel-González Cesar Tzuc-Dzul Eduardo Emir Palomo-Arjona Carmen Salazar

Abstract The gastrointestinal content analysis of 344 invasive rodents (120 black rats and 224 house mice) in two Mayan communities revealed that rats consumed a high percentage of plants (93.3%) and arthropods (95.5%). In contrast, arthropods were less frequent (55.8%) than plants (94.6%) in mouse’s diet. In both rodent species, fragments of Sapotaceae and Hymenoptera were common plant and arthropod foods, respectively. Our results suggest that the food availability present in the Mayan communities is similar to the one described in natural habitats.

Sapotaceae

Arthropod

10.1515/mammalia-2018-0083

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Citations (2)

Serologic Evidence of West Nile Virus Infection in Horses, Yucatan State, Mexico

Emerging infectious diseases (2003)

María A. Loroño-Pino Bradley J. Blitvich José A. Farfán-Ale Fernando I. Puerto Jorge Blanco

Abstract Serum samples were obtained from 252 horses in the State of Yucatan, Mexico, from July to October 2002. Antibodies to West Nile virus were detected by epitope-blocking enzyme-linked immunosorbent assays in three (1.2%) horses and confirmed by plaque reduction neutralization test. We report the first West Nile virus activity in the State of Yucatan.

West Nile virus

10.3201/eid0907.030167

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Citations (97)

Laboratory evaluation of the Ile1, 016 mutation-effect on several life-history parameters of Aedes aegypti

International Journal of Mosquito Research (2018)

Julián E. García‐Rejón Julio A Chan-Orilla Nohemí Cigarroa-Toledo Wilbert A. Chi-Chim Oswaldo M. Torres‐Chable

Pyrethroid insecticides were intensively applied in Mexico between 2000 and 2009. We evaluated the effect of the Ile1, 016 mutation on several life-history parameters of Ae. aegypti from Merida, Yucatan. Aedes aegypti colonies was established from larvae collected in houses between October and November 2015. Fifty adult females were analyzed for the frequency of the Ile1, 016 mutation at each collection site (n = 3). All biological parameters were evaluated by comparing the control group versus natural population of Ae. aegypti. The frequency of kdr homozygous (Val1, 016) was high in all sites studied, being 76% in Juan Pablo-II, 85% in Chuburna and 87% in Vergel-III. In Ae. aegypti with kdr homozygous were observed delay larval development, higher mortality in late stages, decrease in blood ingested and have a larger body sizes. Our results suggest that Ae. aegypti with kdr homozygous have a diminished reproductive fitness compared to susceptible group.

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Breeding structure of Aedes aegypti populations in Mexico varies by region.

American Journal of Tropical Medicine and Hygiene (2002)

Norma Gorrochótegui-Escalante Consuelo Gomez-Machorro Saúl Lozano‐Fuentes Lldefonso Fernández-Salas Marı́a de Lourdes Muñoz

A population genetic analysis of Aedes aegypti was conducted among 38 collections from throughout coastal regions of Mexico. Multiple collections were made within 5 cities to examine local patterns of gene flow. Single-strand conformation polymorphism analysis was used to screen for variation in a 387-bp region of the Nicotinamide Adenine Dinucleotide Dehydrogenase subunit 4 mitochondrial gene (ND4) and 25 haplotypes were detected. Northeastern Mexico collections were genetically differentiated from and had lower genetic diversity than Yucatan and Pacific coastal collections. Yucatan and Pacific collections were genetically homogeneous. Regression analysis of geographic distances and F(ST) values indicated that collections were genetically isolated by distance in the Pacific and the Yucatan, but not among collections in the northeast. Free gene flow occurred among all collections within 130 km of one another in the northeast and within 180 km in the Yucatan. F(ST) values were never large among Pacific collections, suggesting extensive gene flow along the Pacific coast.

Population Genetics

10.4269/ajtmh.2002.66.213

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Citations (124)

Control de artrópodos como plagas urbanas y la resistencia a los insecticidas: un enfoque actual.

Bioagrociencias (2024)

Wilbert A. Chi-Chim Carlos M. Baak‐Baak Lourdes G. Talavera-Aguilar Rosa C. Cetina-Trejo Nohemí Cigarroa-Toledo

10.56369/bac.5299

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