Effect of vaccination against Covid-19 one year after its introduction in Brazil.

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.

Description of human anti-rabies post-exposure prophylaxis care notifications in Brazil, 2014-2019.

Objective: To analyze human anti-rabies post-exposure prophylaxis notifications in Brazil.

Methods: This was a descriptive study using data from the Notifiable Diseases Information System in Brazil, from 2014 to 2019.

Results: A total of 4,033,098 anti-rabies medical consultations were notified, averaging 672,183 a year.

Multisystem inflammatory syndrome in children: a cross-sectional study of cases and factors associated with deaths during the COVID-19 pandemic in Brazil, 2020.

Objective: To characterize the clinical-epidemiological profile of multisystem inflammatory syndrome in children temporally associated with COVID-19 (MIS-C), and to identify factors associated with MIS-C deaths in Brazil, 2020.

Methods: This was a cross-sectional study, using national MIS-C monitoring data. Logistical regression was performed to estimate crude and adjusted odds ratios (OR).

[Prevalence and intensity of geohelminths infection characterizing the socio-cultural and environmental factors that affect the infection of school children, Paraguay, 2015].

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.

[Seroprevalence of leptospirosis and associated factors in workers of the urban cleaning service of the Municipality of Asuncion, Paraguay].

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.