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Global Health and Tropical Medicine

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Determinants of COVID-19 Vaccine Hesitancy in Portuguese-Speaking Countries: A Structural Equations Modeling Approach

COVID-19 vaccine hesitancy (VH) has caused concerns due to the possible fluctuations that may occur directly impacting the control of the pandemic. In this study, we aimed to estimate the prevalence and factors associated with COVID-19 VH in Portuguese-speaking countries.
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High rates of unprotected receptive anal sex and vulnerabilities to HIV infection among Brazilian men who have sex with men

ABSTRACT This study aimed to evaluate unprotected receptive anal sex intercourse (URAI) rates and vulnerabilities to HIV infection among men who have sex with men (MSM) that use geosocial networking dating apps in Brazil. An online, analytical, cross-sectional study was carried out with 2,250 MSM. The analyzed variables were grouped according to domains of vulnerability […]
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Casual Sex among Men Who Have Sex with Men (MSM) during the Period of Sheltering in Place to Prevent the Spread of COVID-19

ABSTRACT ‘Objectives:’ We investigated the extent to which Brazilian and Portuguese Men Who Have Sex with Men (MSM) had casual sex partners outside their homes during the period of sheltering in place for the COVID-19 pandemic. ‘Methods:’ An online survey was conducted in Brazil and Portugal in April, during the period of social isolation for […]
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Space-time analysis of COVID-19 in a Brazilian state

ABSTRACT ‘Objective:’ To analyze the spatial-temporal distribution of COVID-19 in the state of Piauí. ‘Method:’ Ecological, retrospective study, with data available from the COVID-19 Epidemiological Panel – Piauí. A time series of cases and deaths accumulated monthly was constructed and incidence, mortality and lethality rates were calculated and choropleth maps were constructed using Quantum GIS, […]
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GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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