All Stories

  1. A retrospective study on Chagas disease detection and management in Tremedal and Novo Horizonte: Insights prior to the Oxente Chagas Bahia Project

    Article • PLoS Neglected Tropical Diseases, July 2026, PLOS

    Fred Santos

  2. A New Approach for Chagas Disease Screening Using Serum Infrared Spectroscopy and Machine Learning Algorithms

    Article • ACS Infectious Diseases, August 2025, American Chemical Society (ACS)

    Fred Santos

  3. Development and Validation of ELISA for In Vitro Diagnosis of SARS-CoV-2 Infection

    Article • COVID, July 2025, MDPI AG

    Fred Santos

  4. Multidisciplinary nursing care in chronic Chagas disease: a scoping review

    Article • BMC Nursing, January 2025, Springer Science + Business Media

    Fred Santos

  5. Comparison of Four Chimeric Antigens and Commercial Serological Assays for the Diagnosis of Trypanosoma cruzi Infection

    Article • American Journal of Tropical Medicine and Hygiene, January 2025, American Society of Tropical Medicine and Hygiene

    Fred Santos

  6. Chagas disease in Brazil: new challenges and perspectives for old problems

    Article • Memórias do Instituto Oswaldo Cruz, January 2025, FapUNIFESP (SciELO)

    Fred Santos

  7. Evaluation of nonpolar lipid extract antigen-based enzyme-linked immunosorbent assay for the serodiagnosis of tuberculosis

    Article • Diagnostic Microbiology and Infectious Disease, January 2025, Elsevier

    Fred Santos

  8. Evaluation of QuantiFERON-TB Gold for the Diagnosis of Mycobacterium tuberculosis Infection in HTLV-1-Infected Patients

    Article • Viruses, November 2024, MDPI AG

    Fred Santos

  9. Low-cost immunosensing approach for Chagas disease: exploiting modified pencil graphite electrodes with polymer films

    Article • Journal of Solid State Electrochemistry, September 2024, Springer Science + Business Media

    Fred Santos

  10. Assessing the performance of commercial serological tests for SARS-CoV-2 diagnosis

    Article • IJID Regions, September 2024, Elsevier

    Fred Santos

  11. Evaluation of chimeric recombinant antigens for the serodiagnosis of Trypanosoma cruzi in dogs: a promising tool for Chagas disease surveillance

    Article • Parasites & Vectors, July 2024, Springer Science + Business Media

    Fred Santos

  12. Comprehensive Study of the IBMP ELISA IgA/IgM/IgG COVID-19 Kit for SARS-CoV-2 Antibody Detection

    Article • Diagnostics, July 2024, MDPI AG

    Fred Santos

  13. Performance Assessment of Treponemal and Nontreponemal Tests for the Diagnosis of Acquired Syphilis

    Article • American Journal of Tropical Medicine and Hygiene, June 2024, American Society of Tropical Medicine and Hygiene

    Fred Santos

  14. Feline leishmaniasis in an animal shelter in northeastern Brazil: Clinical aspects, coinfections, molecular detection, and serological study of a new recombinant protein

    Article • Research in Veterinary Science, June 2024, Elsevier

    Fred Santos

  15. IgG Isotypes Targeting a Recombinant Chimeric Protein of Trypanosoma cruzi in Different Clinical Presentations of Chronic Chagas Disease

    Article • American Journal of Tropical Medicine and Hygiene, April 2024, American Society of Tropical Medicine and Hygiene

    Fred Santos

  16. Post-therapeutic cure criterion in chronic Chagas disease using Trypanosoma cruzi chimeric proteins

    Article • Folia Parasitologica, March 2024, Biology Centre, AS CR

    Fred Santos

  17. Usefulness of receptor binding domain protein-based serodiagnosis of COVID-19

    Article • IJID Regions, March 2024, Elsevier

    Fred Santos

  18. Evaluating the diagnostic accuracy of TpN17 and TmpA recombinant proteins in syphilis detection: a phase II study

    Article • Frontiers in Microbiology, February 2024, Frontiers

    Fred Santos

  19. The Oxente Chagas Bahia Project: evaluating the efficacy of a rapid diagnostic test and treatments for Chagas disease

    Article • Memórias do Instituto Oswaldo Cruz, January 2024, FapUNIFESP (SciELO)

    Fred Santos

  20. Assessment of Cross-Reactivity of Chimeric Trypanosoma cruzi Antigens with Crithidia sp. LVH-60A: Implications for Accurate Diagnostics

    Article • Diagnostics, November 2023, MDPI AG

    Fred Santos

  21. Seroepidemiological Survey of Chronic Chagas Disease in a Rural Community in Southern Bahia, Brazil, Using Recombinant Chimeric Antigens

    Article • Pathogens, October 2023, MDPI AG

    Fred Santos

  22. Seroepidemiology of Chagas disease in at-risk individuals in Caraíbas, a city with high endemicity in Bahia State, Brazil

    Article • Frontiers in Public Health, September 2023, Frontiers

    Fred Santos

  23. A multicenter comparative study of the performance of four rapid immunochromatographic tests for the detection of anti-Trypanosoma cruzi antibodies in Brazil

    Article • Frontiers in Medicine, March 2023, Frontiers

    Fred Santos

  24. Epidemiological indicators of Chagas disease in the metropolitan region of Salvador, Bahia, Brazil

    Article • Revista da Sociedade Brasileira de Medicina Tropical, January 2023, FapUNIFESP (SciELO)

    Fred Santos

  25. Guidelines for Trypanosoma cruzi-HIV Co-infection and other Immunosuppressive Conditions: Diagnosis, Treatment, Monitoring, and Implementation from the International Network of Care and Studies - 2023

    Article • Revista da Sociedade Brasileira de Medicina Tropical, January 2023, FapUNIFESP (SciELO)

    Fred Santos

  26. Western blot using Trypanosoma cruzi chimeric recombinant proteins for the serodiagnosis of chronic Chagas disease: A proof-of-concept study

    Article • PLoS Neglected Tropical Diseases, November 2022, PLOS

    Fred Santos

  27. Spatiotemporal distribution analysis of syphilis in Brazil: Cases of congenital and syphilis in pregnant women from 2001–2017

    Article • PLOS One, October 2022, PLOS

    Fred Santos

  28. Technological advances in the serological diagnosis of Chagas disease in dogs and cats: a systematic review

    Article • Parasites & Vectors, September 2022, Springer Science + Business Media

    Fred Santos

  29. Integrative and Multidisciplinary Care for People Living With Human T-Cell Lymphotropic Virus in Bahia, Brazil: 20 Years of Experience

    Article • Frontiers in Medicine, June 2022, Frontiers

    Fred Santos

  30. Double-antigen sandwich ELISA based on chimeric antigens for detection of antibodies to Trypanosoma cruzi in human sera

    Article • PLoS Neglected Tropical Diseases, March 2022, PLOS

    Fred Santos

  31. Performance of Chimeric Trypanosoma cruzi Antigens in Serological Screening for Chagas Disease in Blood Banks

    Article • Frontiers in Medicine, March 2022, Frontiers

    Fred Santos

  32. Distribution of Human Immunodeficiency Virus and Human T-Leukemia Virus Co-infection in Bahia, Brazil

    Article • Frontiers in Medicine, January 2022, Frontiers

    Fred Santos

  33. Eco-epidemiology of vectorial Trypanosoma cruzi transmission in a region of northeast Brazil

    Article • Acta Tropica, January 2022, Elsevier

    Fred Santos

  34. Seroprevalence and detection of Trypanosoma cruzi in dogs living in a non-endemic area for Chagas disease in the legal Amazon region, Brazil

    Article • Veterinary Parasitology Regional Studies and Reports, December 2021, Elsevier

    Fred Santos

  35. Seroprevalence and Spatial Distribution of Hepatitis C Virus in Bahia, Brazil

    Article • American Journal of Tropical Medicine and Hygiene, October 2021, American Society of Tropical Medicine and Hygiene

    Fred Santos

  36. Stability Assessment of Four Chimeric Proteins for Human Chagas Disease Immunodiagnosis

    Article • Biosensors, August 2021, MDPI AG

    Fred Santos

  37. Parasitological cure in children infected with Trypanosoma cruzi

    Article • The Lancet Infectious Diseases, August 2021, Elsevier

    Fred Santos

  38. Assessment of Liaison XL Murex Chagas diagnostic performance in blood screening for Chagas disease using a reference array of chimeric antigens

    Article • Transfusion, July 2021, Wiley

    Fred Santos

  39. Antibodies response induced by recombinant virus-like particles from Triatoma virus and chimeric antigens from Trypanosoma cruzi

    Article • Vaccine, July 2021, Elsevier

    Fred Santos

  40. Novel Genetic Constructs for Production of Recombinant HTLV-1/2 Antigens and Evaluation of Their Reactivity to Plasma Samples from HTLV-1-Infected Patients

    Article • Journal of Clinical Microbiology, March 2021, ASM Journals

    Fred Santos

  41. Analysis of the Space and Time Distribution of Syphilis in Brazil: Cases of Acquired Syphilis from 2010-2018 and Congenital and Syphilis in Pregnant Women from 2001-2017

    Article • December 2020, Springer Science + Business Media

    Fred Santos

  42. Impedimetric immunosensor for rapid and simultaneous detection of chagas and visceral leishmaniasis for point of care diagnosis

    Article • Biosensors and Bioelectronics, December 2020, Elsevier

    Fred Santos

  43. Analysis of the Space and Time Distribution of Syphilis in Brazil: Cases of Acquired Syphilis From 2010-2018 and Congenital and Syphilis in Pregnant Women From 2001-2017

    Article • November 2020, Springer Science + Business Media

    Fred Santos

  44. Correction: Performance of Treponema pallidum recombinant proteins in the serological diagnosis of syphilis

    Article • PLOS One, November 2020, PLOS

    Fred Santos

  45. Acute Chagas disease in Brazil from 2001 to 2018: A nationwide spatiotemporal analysis

    Article • PLoS Neglected Tropical Diseases, August 2020, PLOS

    Fred Santos

  46. Distribution of Human T-Lymphotropic Virus (HTLV) and Hepatitis C Co-infection in Bahia, Brazil

    Article • PLOS One, July 2020, PLOS

    Fred Santos

  47. Performance of Treponema pallidum recombinant proteins in the serological diagnosis of syphilis

    Article • PLOS One, June 2020, PLOS

    Fred Santos

  48. Development of a New Lateral Flow Assay Based on IBMP‐8.1 and IBMP‐8.4 Chimeric Antigens to Diagnose Chagas Disease

    Article • BioMed Research International, January 2020, Wiley

    Fred Santos

  49. Infection by Strongyloides stercoralis in immigrants with Chagas disease: evaluation of eosinophilia as screening method in primary care

    Article • Tropical Medicine & International Health, December 2019, Wiley

    Fred Santos, Dr Jesus Almeda

  50. Line Immunoassay for Confirmation and Discrimination of Human T-Cell Lymphotropic Virus Infections in Inconclusive Western Blot Serum Samples from Brazil

    Article • Journal of Clinical Microbiology, October 2019, ASM Journals

    Fred Santos

  51. Distribution of Human T-Lymphotropic Virus (HTLV) and Hepatitis C Co-infection in Bahia, Brazil

    Article • September 2019, Cold Spring Harbor Laboratory Press

    Fred Santos

  52. A Cross-Sectional Study of Entamoeba histolytica/dispar/moshkovskii Complex in Salvador, Bahia, Brazil

    Article • BioMed Research International, July 2019, Hindawi Publishing Corporation

    Fred Santos

  53. Performance of recombinant chimeric proteins in the serological diagnosis of Trypanosoma cruzi infection in dogs

    Article • PLoS Neglected Tropical Diseases, June 2019, PLOS

    Fred Santos

  54. Cross-Reactivity Using Chimeric Trypanosoma cruzi Antigens: Diagnostic Performance in Settings Where Chagas Disease and American Cutaneous or Visceral Leishmaniasis Are Coendemic

    Article • Journal of Clinical Microbiology, June 2019, ASM Journals

    Fred Santos

  55. Evidence of New Endemic Clusters of Human T-Cell Leukemia Virus (HTLV) Infection in Bahia, Brazil

    Article • Frontiers in Microbiology, May 2019, Frontiers

    Fred Santos

  56. Detection of anti-Trypanosoma cruzi antibodies by chimeric antigens in chronic Chagas disease-individuals from endemic South American countries

    Article • PLOS One, April 2019, PLOS

    Fred Santos

  57. Immune reactivity to Trypanosoma cruzi chimeric proteins for Chagas disease diagnosis in immigrants living in a non-endemic setting

    Article • BMC Infectious Diseases, March 2019, Springer Science + Business Media

    Fred Santos

  58. Seroprevalence of Trypanosoma cruzi infection among blood donors in the state of Bahia, Brazil

    Article • Revista da Sociedade Brasileira de Medicina Tropical, January 2019, FapUNIFESP (SciELO)

    Fred Santos

  59. Alterations in the lipid profiles and circulating liver enzymes in individuals infected by Schistosoma mansoni

    Article • Revista da Sociedade Brasileira de Medicina Tropical, December 2018, FapUNIFESP (SciELO)

    Fred Santos

  60. Highly Accurate Chimeric Proteins for the Serological Diagnosis of Chronic Chagas Disease: A Latent Class Analysis

    Article • American Journal of Tropical Medicine and Hygiene, November 2018, American Society of Tropical Medicine and Hygiene

    Fred Santos

  61. Performance of Commercially Available Serological Screening Tests for Human T-Cell Lymphotropic Virus Infection in Brazil

    Article • Journal of Clinical Microbiology, September 2018, ASM Journals

    Fred Santos

  62. Neglected tropical diseases in Brazilian children and adolescents: data analysis from 2009 to 2013

    Article • Infectious Diseases of Poverty, November 2017, Springer Science + Business Media

    Fred Santos

  63. Performance Assessment of a Trypanosoma cruzi Chimeric Antigen in Multiplex Liquid Microarray Assays

    Article • Journal of Clinical Microbiology, July 2017, ASM Journals

    Fred Santos

  64. Accuracy of chimeric proteins in the serological diagnosis of chronic chagas disease – a Phase II study

    Article • PLoS Neglected Tropical Diseases, March 2017, PLOS

    Fred Santos

  65. Meloidogyne eggs in human stool in Northeastern Brazil

    Article • Revista da Sociedade Brasileira de Medicina Tropical, December 2016, FapUNIFESP (SciELO)

    Fred Santos

  66. Performance Assessment of Four Chimeric Trypanosoma cruzi Antigens Based on Antigen-Antibody Detection for Diagnosis of Chronic Chagas Disease

    Article • PLOS One, August 2016, PLOS

    Fred Santos

  67. Chronic Chagas Disease Diagnosis: A Comparative Performance of Commercial Enzyme Immunoassay Tests

    Article • American Journal of Tropical Medicine and Hygiene, May 2016, American Society of Tropical Medicine and Hygiene

    Fred Santos

  68. Spatiotemporal analysis of reported cases of acute Chagas disease in the State of Pernambuco, Brazil, from 2002 to 2013

    Article • Revista da Sociedade Brasileira de Medicina Tropical, April 2015, FapUNIFESP (SciELO)

    Fred Santos

  69. HOOKWORM AND THREADWORM INFECTIONS AND THEIR ASSOCIATION WITH HEMOGLOBIN AND EOSINOPHIL CONCENTRATIONS IN RESIDENTS OF SALVADOR-BAHIA, BRAZIL

    Article • Revista do Instituto de Medicina Tropical de São Paulo, July 2013, FapUNIFESP (SciELO)

    Fred Santos

  70. A Brazilian Case of Tongue Cysticercosis

    Article • Advances in Infectious Diseases, January 2012, Scientific Research Publishing, Inc,

    Fred Santos

  71. Efficacy of parasitological methods for the diagnosis of Strongyloides stercoralis and hookworm in faecal specimens

    Article • Acta Tropica, December 2011, Elsevier

    Fred Santos

  72. Validation and utilization of PCR for differential diagnosis and prevalence determination of Entamoeba histolytica/Entamoeba dispar in Salvador City, Brazil

    Article • The Brazilian Journal of Infectious Diseases, April 2011, FapUNIFESP (SciELO)

    Fred Santos

  73. Validation and utilization of PCR for differential diagnosis and prevalence determination of Entamoeba histolytica/Entamoeba dispar in Salvador City, Brazil

    Article • The Brazilian Journal of Infectious Diseases, March 2011, Elsevier

    Fred Santos

  74. Mecanismos fisiopatogênicos e diagnóstico laboratorial da infecção causada pela Entamoeba histolytica

    Article • Jornal Brasileiro de Patologia e Medicina Laboratorial, August 2008, FapUNIFESP (SciELO)

    Fred Santos

  75. PREVALÊNCIA DE PARASITOSES INTESTINAIS EM PACIENTES ATENDIDOS NO HOSPITAL UNIVERSITÁRIO PROFESSOR EDGAR SANTOS, SALVADOR – BAHIA

    Article • Revista de Patologia Tropical / Journal of Tropical Pathology, January 2008, Universidade Federal de Goias

    Fred Santos

  76. PREVALÊNCIA DE ENTEROPARASITOSESEM CRIANÇAS DO SERTÃO BAIANO

    Article • Revista de Patologia Tropical / Journal of Tropical Pathology, October 2007, Universidade Federal de Goias

    Fred Santos

  77. The first confirmed case of Diphyllobothrium latum in Brazil

    Article • Memórias do Instituto Oswaldo Cruz, October 2005, FapUNIFESP (SciELO)

    Fred Santos

  78. Epidemiologia, fisiopatogenia e diagnóstico laboratorial da infecção pelo HTLV-I

    Article • Jornal Brasileiro de Patologia e Medicina Laboratorial, April 2005, FapUNIFESP (SciELO)

    Fred Santos

  79. Comparison of the thick smear and Kato-Katz techniques for diagnosis of intestinal helminth infections

    Article • Revista da Sociedade Brasileira de Medicina Tropical, April 2005, FapUNIFESP (SciELO)

    Fred Santos

  80. Prevalência da infecção pelo vírus linfotrópico humano de células T e fatores de risco associados à soropositividade em doadores de sangue da cidade de Rio Branco, AC, Brasil (1998-2001)

    Article • Revista da Sociedade Brasileira de Medicina Tropical, December 2003, FapUNIFESP (SciELO)

    Fred Santos

  81. Globin Haplotypes of Human T-Cell Lymphotropic Virus Type I–Infected Individuals in Salvador, Bahia, Brazil, Suggest a Post-Columbian African Origin of This Virus

    Article • JAIDS Journal of Acquired Immune Deficiency Syndromes, August 2003, Wolters Kluwer Health

    Fred Santos