Publications by authors named "Dalva De Assis"

Background: Worldwide, several efforts have been made to develop, distribute and administer safe and effective vaccines to reduce morbidity and mortality and control the Covid-19 pandemic. This study aimed to analyze the effect of vaccination against Covid-19, one year after its introduction in Brazil.

Methods: An ecological study that analyzed the general effect of vaccination against Covid-19 on disease morbidity and mortality indicators among the Brazilian population aged 18 years or older per epidemiological week (EW), comparing the pre and postvaccination period.

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Introduction: Currently, Paraguay has no data on the prevalence of soil-transmitted geohelminth infection in schoolchildren aged 6 to 12 years.

Aim: To determine the prevalence and intensity of infection by Ascaris lumbricoides, Trichuris trichiura and hookworms and the socio-cultural-environmental characteristics of the affected population.

Methods: Descriptive, cross-sectional study, in three semi-tropical climatic zones: continental, semi steppe and humid.

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In Paraguay, pesticides are the causative agent in 13.7% of poisonings, especially organophosphorus compounds. Such poisoning produces the inhibition of acetylcholinesterase generating three possible clinical conditions: acute poisoning, intermediate syndrome or late neurotoxicity.

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Introduction: Leptospirosis is a serious infectious disease that has been linked to occupational activities such as farmers, sewer workers, garbage collectors, butchers and veterinarians. It is acquired through contact with major reservoirs like rodents, pets, or the environment contaminated by their urine. In Paraguay, there are no published reports on the seroprevalence of leptospirosis related to work activity.

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