David del Valle-Laveaga

• MS
• Analista at Hospital Regional de Alta Especialidad "Dr. Juan Graham Casasus"

The possibility of having a methodology that allows the modelling and prediction in the short, medium and long term of biological, social, natural disaster processes and/or phenomena, as well as different infectious entities, constitutes something great. The objective of the research consisted of demonstrating the potential and real capacity of app...

Among the causes that originate the maximum wind speed in Cuba are tropical cyclones (hurricanes, extra tropical systems of the winter season (extra tropical lows and cold fronts); severe local storms typical of the summer and strong breezes due to the influence of continental and oceanic high pressures. This work models and forecasts in the long t...

The struggle between man and infectious diseases dates back to the very beginning of civilization, where the increase of infectious entities is closely associated with poor human actions and management of ecosystems. The objective of the present research was to outline the possible origin of the new coronavirus officialized as SARS-CoV-2 causing CO...

In Villa Clara province, Cuba, microorganisms and climatic conditions coexist for the development of the infectious entity chromoblastomycosis. Besides, there is a high percentage of agricultural and handicraft workers exposed to acquiring this infection. The objective of the research consisted in describing the etiological diagnosis and correlatin...

Dengue continues to be the main arbovirosis, with endemic characteristics, in at least 100 countries, affecting an average of 50 million patients per year, and with a high incidence in pediatric ages. To mathematically model the cases of Dengue in pediatric age through the methodology of the Objective Regression Regressive, during the period 2016-2...

The honey bee depends on environmental conditions for its optimal development, its food base must be in healthy ecosystems and in equilibrium with diverse and abundant blooms, as well as abundant water. Cuba is exposed to different natural hazards and is affected every year by extreme meteorological phenomena. The objective of the study was to geor...

Mosquito borne diseases constitute one of the priority health problems in most tropical countries, with emphasis on species with marked entomoepidemiological importance. The objective of this research was to update the mosquito entomofauna of Sancti Spíritus and Villa Clara provinces, Cuba. The research covered a period of 15 years (2007-2022). For...

Humanity has suffered throughout history the scourge of potentially fatal diseases, and where climate has a marked and decisive influence. The objective of the study consisted in demonstrating the existing relationship between the transmissible infectious entities Dengue and Malaria with climate by means of mathematical modeling in Villa Clara prov...

Millions of people suffer from infections transmitted by arthropod vectors; among them, culicidae are undoubtedly the most important hygienic-sanitary ones, because they constitute one of the priority health problems in almost all tropical and subtropical regions. The objective of the research consisted in analyzing the development dynamics of mosq...

Phytopharmaceuticals constitute a therapy that, when carried out on a scientific basis, becomes a necessary, safe, effective and, above all, economical alternative in the confrontation of diseases that affect humans and other animals, for the achievement of health. The objective of the research was to evaluate the effectiveness of a revitalizing oi...

A cross-sectional descriptive study was carried out with the objective of describing the performance of UMELISA SARS-CoV-2 Antigen and STANDARD F COVID-19 Ag FIA in the diagnosis of COVID-19, at the Provincial Laboratory of Microbiology and Sanitary Chemistry of Villa Clara, during the month of February 2022. 1056 patients who underwent Reverse Tra...

Systematic SARS-CoV-2 testing is a valuable tool for infection control and surveillance. However, broad application of high sensitive RT-qPCR testing in children is often hampered due to unpleasant sample collection, limited RT-qPCR capacities and high costs. Here, we developed a high-throughput approach (‘Lolli-Method’) for SARS-CoV-2 detection in...

Earthquakes and cyclones are two of the most destructive natural events, with the greatest consequences for both vector organism populations and human health. The objective of the research was to demonstrate how hurricanes and earthquakes can be predicted by mathematical modeling. The study was carried out based on the forecast of the atmospheric p...

Earthquakes and cyclones are two of the most destructive natural events, with the greatest consequences for both vector organism populations and human health. The objective of the research was to demonstrate how hurricanes and earthquakes can be predicted by mathematical modeling. The study was carried out based on the forecast of the atmospheric p...

Climate has an important influence on infectious diseases and their different modes of transmission. Dengue is among the most relevant for Cuban public health. Due to the pronounced effect that environmental changes can have on the biology of Aedes aegypti, it is very likely that the epidemiology of this arbovirosis will be profoundly influenced by...

Emerging and re-emerging infectious diseases constitute one of the main health problems worldwide. The objective of the research consisted of analyzing the development dynamics of adult mosquito populations of the species Ae. aegypti in Villa Clara province, Cuba during the period 2016-2020. The research covered the 13 municipalities of Villa Clara...

The COVID-19 pandemic affecting planet Earth has had a peculiar development in our country. Objective: The objective of the research was to model, using the Regressive Objective Regression (ROR) methodology, a set of parameters (deaths, critical, severe, confirmed and new cases) inherent to the SARS CoV-2 COVID-19 pandemic, so far in 2020 in Cuba....

Systematic SARS-CoV-2 testing is a valuable tool for infection control and surveillance. However, broad application of high sensitive RT-qPCR testing in children is often hampered due to unpleasant sample collection, limited RT-qPCR capacities, and high costs. Here, we developed a high-throughput approach (Lolli-Method) for sensitive SARS-CoV-2 det...

Abstract A cross-sectional descriptive study was carried out with the objective of describing the performance of UMELISA SARSCoV-2 Antigen and STANDARD F COVID-19 Ag FIA in the diagnosis of COVID-19, at the Provincial Laboratory of Microbiology and Sanitary Chemistry of Villa Clara, during the month of February 2022. 1056 patients who underwent...

The general objective of the study was to estimate the appearance of recurrence of the mammary tumor in canines after applying the Ovariohysterectomy with previous removal of the mammary tumor. The research was carried out in a veterinary clinic in the municipality of Rodas, Cienfuegos, Cuba. During the first semester of 2017, a descriptive study w...

The objective of the research was to determine the climatic impact of temperature on avian respiratory infections in Villa Clara province, Cuba. In this work retrospective data were used to obtain the epizootiological statistical information of susceptible and dead birds regarding avian respiratory infections, in specialized poultry farms of Villa...

The COVID-19 pandemic affecting planet Earth has had a peculiar development in our country. The objective of the research consisted in modeling by means of the methodology of the Regressive Objective Regression (ROR) a set of parameters (deaths, critical, severe, serious, confirmed and new cases) inherent to the SARS pandemic CoV-2 COVID-19, during...