Aedes aegypti infestation, risk stratification and concomitant environmental factors. Yara, 2020-2022 (Original)

Abstract

The Aedes aegypti is the vector of various viral diseases, including dengue, zika and chikungunya, causing endemic-epidemic cycles in the areas where it lives. The Yarense territory has a geographical location that places it in the middle of the two municipalities (Bayamo and Manzanillo) of the Granma province with the highest infestation rates. In the year 2022, the largest historical record of the problem has been obtained, while dengue cases (278) concomitant, corresponding to the increase in incidence rates in the country, disseminated by populations and the flow of transport from areas populated by the culicid In this context, the study aims to describe the characteristics of the infestation, identify the environmental risks that pre-existed in the infested areas, and stratify the entomoepidemiological risk. For which, an observational study is carried out, in the period 2020-2022. The universe covers the 6,781 dwellings of the urban cycle and the 6,510 of the rural that comprise the area under study, and the sample is made up of the 97 positive places for the mosquito. . The study allows to know the particularities of the problem, by facilitating the design of strategies to reduce the proliferation of the species, from the unveiling of its instinctive action and adaptability in the innate effort to perpetuate the species; as well as lowering the costs since the forces would be concentrated in eliminating the risks that mark the reproduction of the insect from its earliest phases.