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Joao Vitor Perez de Souza

Assistant Professor in Emergency Medicine
Emergency Medicine

Current Appointments & Affiliations


Assistant Professor in Emergency Medicine · 2025 - Present Emergency Medicine, Clinical Science Departments

Recent Publications


Effectiveness of a brief intervention and text-based booster in the emergency department to reduce harmful and hazardous alcohol use: A pragmatic randomized adaptive clinical trial in Moshi, Tanzania.

Journal Article PLoS Med · October 2025 BACKGROUND: Alcohol use contributes to over 3 million deaths annually. In Tanzania, there are no evidence-based culturally adapted interventions to address harmful alcohol use behaviors. Our hypothesis was that "Punguza Pombe Kwa Afya Yako" (PPKAY, Reduce ... Full text Open Access Link to item Cite

Using the ADAPT guidance to culturally adapt a brief intervention to reduce alcohol use among injury patients in Tanzania.

Journal Article PLOS Glob Public Health · 2025 Harmful alcohol use is a leading risk factor for injury-related death and disability in low- and middle-income countries (LMICs). Brief negotiational interventions (BNIs) in emergency departments (EDs) effectively reduce alcohol intake and re-injury rates. ... Full text Link to item Cite

The older the injured, the worse the outcomes: A comparison of injury patterns and in-hospital outcomes between younger and older adult trauma patients at a tertiary hospital in Northern Tanzania.

Journal Article PLOS Glob Public Health · 2025 The number of older adults (>60 years) in Sub-Saharan Africa (SSA) is expected to double by 2050. This demographic shift has led to a rise in traumatic injuries among this population, with one in ten trauma patients in Tanzania being an older adult. Yet, g ... Full text Link to item Cite
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Recent Grants


Capacity building for injury and trauma care implementation and data science research training

Inst. Training Prgm or CMEPostdoctoral Associate · Awarded by Kilimanjaro Christian Medical Centre · 2021 - 2026

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Education, Training & Certifications


State University of Maringa (Brazil) · 2022 Ph.D.
State University of Maringa (Brazil) · 2018 M.Sc.
State University of Maringa (Brazil) · 2017 B.S.