Epidemiological characterization of vesicularstomatitis in Mexico (1981-2012)

Abstract

RESUMENEl presente estudio se diseñó para mejorar el sistema de vigilancia de las enfermedades vesiculares en México, bajo el sistema de planeación estratégica, identificando las zonas endémicas a través de la estabilidad de linajes virales del serotipo Nueva Jersey, y analizando epidemiológicamente la información generada en 32 años de vigilancia e investigación. Se presentan los resultados que permitieron caracterizar epidemiológicam ente las áreas donde se mantiene el virus de estomatitis vesicular de manera secular en México, y con ello, los componentes necesarios para la construcción de la Matriz de Indicadores para Resultados (MIR) para e l programa de vigilancia de las enfermedades vesiculares en México, que pueden también servir para otros países afectados por esta enfermedad. Adicionalmente se aportan elementos para la prevención de la enfermedad, así como mejorar el comercio internacional de animales de países endémicos de estomatitis vesicular. ABSTRACTThe present study aims to improve the surveillance system of vesicular diseases in Mexico, using the strategic planning system, by identifying endemic areas in which the New Jersey serotype viral lineages are stable and by analyzing the information generated during 32 yr of monitoring. The study shows the necessary elements for building the Matrix of Results Indicators (MRI) that could be used on the vesicular diseases surveillance program in Mexico and in other affected countries. The results that allowed the characterization of the epidemiological areas where the virus of vesicular stomatitis (VS) remains in a secular way in Mexico are presented. Elements for disease prevention are also provided in order to improve the live animal international trade.

Surveillance along the Rio Grande during the 2020 Vesicular Stomatitis Outbreak Reveals Spatio-Temporal Dynamics of and Viral RNA Detection in Black Flies

“…While there is substantial, albeit circumstantial, evidence that epizootics of VSV are initiated by vector-borne transmission, the generalist nature of the virus in arthropods has made it difficult to pinpoint vector species that play a major role in the initiation and maintenance of VSV epizootics in the western US. Insect vectors are believed be important for transmission because: (i) VSV outbreaks generally occur along waterways that provide habitat for vectors [14], (ii) disease presence is reduced on premises that utilize insect control measures [15], (iii) VSV epizootics in the endemic region are correlated with onset of precipitation and high abundance of vectors [16], (iv) virus-infected vectors are found in VS affected premises and (v) in the US, cases generally cease in the winter when vector populations die off, and can re-emerge in the late spring when vector populations increase in abundance [8,11]. Multiple methods for detecting virus or viral genome have been used to identify vectors potentially involved in the VSV transmission cycle.…”