João Gabriel Guimarães Luz

ORCID: 0000-0003-0274-732X
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About
Contact & Profiles
Research Areas
  • Research on Leishmaniasis Studies
  • Parasites and Host Interactions
  • Trypanosoma species research and implications
  • Leprosy Research and Treatment
  • Viral Infections and Vectors
  • Leptospirosis research and findings
  • Parasitic Infections and Diagnostics
  • Psychodrama and Leishmaniasis Studies
  • Child Nutrition and Water Access
  • Global Maternal and Child Health
  • Syphilis Diagnosis and Treatment
  • History of Medicine and Tropical Health
  • Synthesis and Biological Evaluation
  • Coenzyme Q10 studies and effects
  • Dermatological diseases and infestations
  • Data-Driven Disease Surveillance
  • Insect and Pesticide Research
  • Food Safety and Hygiene
  • Zoonotic diseases and public health
  • Parasitic Diseases Research and Treatment
  • Vector-Borne Animal Diseases
  • Cytomegalovirus and herpesvirus research
  • Psychology and Mental Health
  • Mosquito-borne diseases and control

Universidade Federal de Rondônia
2020-2023

Universidade Federal de Rondonópolis
2020-2023

Erasmus MC
2020-2023

Universidade Federal de Mato Grosso
2015-2021

Universidade Federal dos Vales do Jequitinhonha e Mucuri
2015-2017

The Brazilian municipality of Rondonópolis is an emerging urban focus intense transmission visceral leishmaniasis (VL), where few investigations have addressed canine reservoirs. This study assessed the seroprevalence and spatial distribution (CVL) in area Rondonópolis. A CVL serosurvey was conducted between October 2016 February 2017 using immunochromatographic rapid test enzyme-linked immunosorbent assay. Domestic dogs were sampled from 25 heterogeneous regions previously defined by...

10.1080/20477724.2018.1438229 article EN Pathogens and Global Health 2018-01-02

ABSTRACT Objective: The present study aimed to evaluate the presence of helminthes and intestinal protozoa in vegetables commercialized Diamantina, a municipality located at Jequitinhonha Valley, one poorest regions world. Methods: A total 108 specimens, including lettuce, green onion rocket, were monthly collected from most popular open street market, grocery supermarket municipality. samples processed by concentration method evaluated light microscopy for parasitological identification....

10.1590/1678-98652017000100012 article EN Revista de Nutrição 2017-02-01

The Brazilian municipality of Rondonópolis, Mato Grosso State, represents an important visceral leishmaniasis (VL) endemic area. This study described epidemiological and clinical aspects the occurrence, VL/HIV coinfection lethality related to VL in Rondonópolis. Data from autochthonous cases reported between 2011 2016 were obtained official information systems. During this period, 81 reported, with decreasing incidence through 2016. Contrastingly, rate was 8.6% overall, but varied widely,...

10.1590/s1678-9946201860012 article EN cc-by Revista do Instituto de Medicina Tropical de São Paulo 2018-03-08

Timely diagnosis is recommended by the Brazilian Visceral Leishmaniasis (VL) Surveillance and Control Program to reduce case fatality. Attempts at assessing this topic in Brazil are scarce.This study aimed describe where, when, how of VL has been performed a endemic setting.Data all autochthonous cases confirmed between 2011 2016 (N = 81) were recorded. The care-seeking itinerary until confirmation was assessed among 57 patients.The majority (79.1%) reported referral hospitals. patients...

10.1590/0074-02760190253 article EN cc-by Memórias do Instituto Oswaldo Cruz 2019-01-01

This cross-sectional study evaluated the impact of socioeconomic status on knowledge, attitudes, and practices (KAP) concerning zoonotic visceral leishmaniasis (VL) among dog owners from municipality Rondonópolis-a highly endemic area for disease in Central-Western Brazil.Data were collected between 2016 2017 during a household survey. A probabilistic sample 404 interviewed assessing sociodemographic characteristics, previous occurrence VL cases, KAP about human VL, vector, canine VL....

10.3855/jidc.14522 article EN cc-by The Journal of Infection in Developing Countries 2021-10-31

Background Leprosy and cutaneous leishmaniasis (CL) are neglected tropical diseases (NTDs) affecting the skin. Their control is challenging but integration of skin NTDs programs recommended to improve timely detection treatment. However, little known about occurrence leprosy CL in same individuals, what characteristics such patients. This study aimed identify characterize patients diagnosed with both (i.e., outcome) hyperendemic state Mato Grosso, Brazil. Also, we investigated demographic...

10.1371/journal.pntd.0010035 article EN cc-by PLoS neglected tropical diseases 2021-12-13

Objective: To investigate the prevalence of intestinal parasitic infections and associated risk factors in children attending preschools located areas with different socioeconomic structural features city Rondonópolis, State Mato Grosso, Brazil.Methods: A cross-sectional survey was conducted between 2015 2016 among four-to-five years old children.Initially, urban neighborhoods were classified into five strata for infections, which defined on basis variables.Then, one school from each stratum...

10.12980/apjtd.7.2017d7-90 article EN Asian Pacific Journal of Tropical Disease 2017-07-07

Neglected tropical diseases characterized by skin lesions are highly endemic in the state of Mato Grosso, Brazil. We analyzed spatial distribution leprosy and Cutaneous Leishmaniasis (CL) identified degree overlap their distribution. All new cases CL reported between 2008 2017 through national reporting system were included study. Scan statistics together with univariate Global Local Moran’s I employed to identify clusters autocorrelation for each disease, correlation measured bivariate I....

10.4081/gh.2020.892 article EN cc-by-nc Geospatial health 2020-12-29

ABSTRACT Background This retrospective case-control study aimed to investigate the factors associated with occurrence of human visceral leishmaniasis (VL) in municipality Rondonópolis, which is a highly endemic area for VL Central-Western Brazil. Methods All cases reported Rondonópolis from 2011 2016 were included. For each case, two neighborhood- and age-matched controls absence past present history negative rk39-based immunochromatographic test, recruited. Data retrospectively collected...

10.1093/trstmh/trz110 article EN Transactions of the Royal Society of Tropical Medicine and Hygiene 2019-10-17

Health education and training of primary health care (PHC) professionals are highly recommended to reduce the occurrence lethality visceral leishmaniasis (VL). This study assessed impact an educational intervention on basic knowledge about (VL) among PHC from Brazilian municipality Rondonopolis, important endemic area for VL. Responses provided by physicians, nurses, nursing technicians community agents 12 facilities were recorded through application self-completed semi-structured...

10.1590/s1678-9946202163056 article EN Revista do Instituto de Medicina Tropical de São Paulo 2021-01-01

We analysed the spatial and spatiotemporal patterns of visceral leishmaniasis (VL) mortality at municipality level in an endemic state southern Amazon region Brazil. Individual-level factors associated with death due to VL were also investigated.All cases deaths reported between 2007 2018 included. The global local bivariate Moran's index assessed space-time autocorrelation smoothed triennial mortality. Kulldorff's scan statistics investigated clusters. A multivariable logistic regression...

10.1093/trstmh/trac110 article EN Transactions of the Royal Society of Tropical Medicine and Hygiene 2022-12-08

This ecological study identified an aggregation of urban neighbourhoods spatial patterns in the cumulative new case detection rate (NCDR) leprosy municipality Rondonópolis, central Brazil, as well intra-urban socioeconomic differences underlying this distribution. Scan statistics all cases reported area from 2011 to 2017 were used investigate and spatiotemporal clusters disease at neighbourhood level. The associations between log smoothed NCDR demographic, socioeconomic, structural...

10.4081/gh.2023.1227 article EN cc-by-nc Geospatial health 2023-10-06

Dengue is an arboviral disease that a serious public health concern, especially due to its increasing incidence in the past decades. This study aimed characterize epidemiological of dengue 2008–2012 Southern Mato Grosso, Brazil. and descriptive 19 municipalities Rondonópolis Regional HealthOffice using data obtained from Information System Diseases Notification. An analysis number confirmed cases dengue, according year, age, gender was performed.Data associated with rainfall region as well....

10.5216/rpt.v46i1.46302 article EN Revista de Patologia Tropical / Journal of Tropical Pathology 2017-04-07

This cross-sectional population-based study compared clinical features of leprosy and American tegumentary leishmaniasis (ATL) in patients diagnosed with both diseases (n=414) those only (n=27,790) or ATL (n=24,357) Mato Grosso State, which is a hyperendemic area for Midwest Brazil. All new cases reported the from 2008 to 2017 were included. Patients identified by probabilistic linkage procedure applied databases national reporting system. The distribution frequency between groups was...

10.1590/s1678-9946202264037 article EN Revista do Instituto de Medicina Tropical de São Paulo 2022-01-01

A leishmaniose visceral (LV) é uma doença sistêmica grave. Apesar dos esforços empreendidos no Brasil para detecção e tratamento oportuno, 5-10% casos ainda apresentam desfecho fatal. O estado de Mato Grosso importante área endêmica LV que carece estudos relacionados à ocorrência óbitos pela doença. Investigar fatores associados ao óbito por em Grosso. Trata-se um estudo retrospectivo incluiu todos os notificados estado, entre 2007 2018, Sistema Informação Agravos Notificação (SINAN). Para...

10.1016/j.bjid.2022.102633 article PT cc-by-nc-nd The Brazilian Journal of Infectious Diseases 2022-09-01

Justificativa e Objetivos: A giardíase representa um problema de saúde pública com possibilidade ocasionar agravos no desenvolvimento físico mental, particularmente em crianças. Assim, destaca-se a relevância efetuar avaliação parasitológica desse público seus determinantes. Desse modo, essa pesquisa teve como objetivo avaliar prevalência fatores associados à infecção por Giardia duodenalis crianças matriculadas entre o 1º 3º ano do ensino fundamental duas unidades município sul Mato Grosso....

10.17058/reci.v9i3.13207 article PT cc-by Revista de Epidemiologia e Controle de Infecção 2019-07-31

Background In Brazil, the transmission of Leishmania infantum in urban settings is closely related to infection among dogs, with occasional humans. Serological screening dogs for spp. on requests their owners (passive case detection) represents a frequent, but little studied, practice within scope Brazilian public health. This study identified factors associated canine visceral leishmaniasis (CVL) diagnosis-seeking behavior dog Rondonópolis (236,000 inhabitants), municipality Central-Western...

10.1371/journal.pntd.0009818 article EN cc-by PLoS neglected tropical diseases 2021-10-08

Background: This cross-sectional study compared the general impact of cutaneous leishmaniasis (CL) and patient satisfaction with treatment health services as perceived by those undergoing different therapeutic regimens in an endemic region South-Eastern Brazil. We also investigated factors associated both outcomes (general satisfaction). Methods: included 84 patients CL treated between 2018 2019 intravenous meglumine antimoniate, liposomal amphotericin B, or intralesional antimoniate...

10.1590/0037-8682-0253-2022 article EN cc-by Revista da Sociedade Brasileira de Medicina Tropical 2023-01-01
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