All Stories

  1. Sustained Oropouche virus transmission in Rio de Janeiro’s Atlantic forest: genomic evidence over a two-year period

    Article • May 2025, Cold Spring Harbor Laboratory Press

    Guilherme Calvet

  2. Natural, vaccine-induced immunity and the probability of experiencing SARS-CoV-2 infection in a household cohort in Rio de Janeiro

    Article • Scientific Reports, May 2025, Springer Science + Business Media

    Guilherme Calvet

  3. Adverse fetal and perinatal outcomes associated with Zika virus infection during pregnancy: an individual participant data meta-analysis

    Article • EClinicalMedicine, May 2025, Elsevier

    Guilherme Calvet , Dr. Thomas Debray

  4. Transitions through the HIV continuum of care in people enrolling in care with advanced HIV disease in Latin America

    Article • IJID Regions, March 2025, Elsevier

    Guilherme Calvet

  5. Prevalence and Factors Associated with Common Mental Disorders and Posttraumatic Stress Disorder Among Healthcare Workers in a Reference Center for Infectious Diseases During the COVID-19 Pandemic: A Survey-Based Cross-Sectional Study

    Article • International Journal of Environmental Research and Public Health, February 2025, MDPI AG

    Guilherme Calvet

  6. Atypical dengue fever in a partially vaccinated patient: a case report

    Article • Revista do Instituto de Medicina Tropical de São Paulo, January 2025, FapUNIFESP (SciELO)

    Guilherme Calvet

  7. Sex, vaccination status, and comorbidities influence long COVID persistence

    Article • Journal of Infection and Public Health, November 2024, Elsevier

    Guilherme Calvet

  8. Correction: Pooled Cohort Profile: ReCoDID Consortium’s Harmonized Acute Febrile Illness Arbovirus Meta-Cohort

    Article • JMIR Public Health and Surveillance, July 2024, JMIR Publications Inc.

    Guilherme Calvet

  9. Correction: Pooled Cohort Profile: ReCoDID Consortium’s Harmonized Acute Febrile Illness Arbovirus Meta-Cohort (Preprint)

    Article • July 2024, JMIR Publications Inc.

    Guilherme Calvet

  10. Pooled Cohort Profile: ReCoDID Consortium’s Harmonized Acute Febrile Illness Arbovirus Meta-Cohort

    Article • JMIR Public Health and Surveillance, July 2024, JMIR Publications Inc.

    Guilherme Calvet

  11. Exploring the Resurgence of a Neglected Disease: Lessons From the 2023–2024 Mpox Outbreak in Rio de Janeiro, Brazil

    Article • Clinical Infectious Diseases, July 2024, Oxford University Press (OUP)

    Guilherme Calvet

  12. Evidence of Zika Virus Reinfection by Genome Diversity and Antibody Response Analysis, Brazil

    Article • Emerging Infectious Diseases, February 2024, Centers for Disease Control and Prevention (CDC)

    Guilherme Calvet

  13. Viral shedding of SARS-CoV-2 in body fluids associated with sexual activity: a systematic review and meta-analysis

    Article • BMJ Open, February 2024, BMJ

    Guilherme Calvet

  14. Cohort profile: follow-up of a household cohort throughout five epidemic waves of SARS-CoV-2 in Rio de Janeiro, Brazil

    Article • Cadernos de Saúde Pública, January 2024, FapUNIFESP (SciELO)

    Guilherme Calvet

  15. Detection and persistence of Zika virus in body fluids and associated factors: a prospective cohort study

    Article • Scientific Reports, December 2023, Springer Science + Business Media

    Guilherme Calvet

  16. Predictors of chronic joint pain after Chikungunya virus infection in the INOVACHIK prospective cohort study

    Article • Journal of Clinical Virology, December 2023, Elsevier

    Guilherme Calvet

  17. Pooled Cohort Profile: ReCoDID Consortium’s Harmonized Acute Febrile Illness Arbovirus Meta-Cohort (Preprint)

    Article • November 2023, JMIR Publications Inc.

    Guilherme Calvet

  18. Characteristics of women diagnosed with mpox infection compared to men: A case series from Brazil

    Article • Travel Medicine and Infectious Disease, November 2023, Elsevier

    Guilherme Calvet

  19. Cohort Profile: ReCoDID Consortium’s Harmonized Acute Febrile Illness Arbovirus Meta-Cohort

    Article • October 2023, Cold Spring Harbor Laboratory Press

    Guilherme Calvet

  20. A fatal respiratory complication of malaria caused by Plasmodium vivax

    Article • Malaria Journal, October 2023, Springer Science + Business Media

    Guilherme Calvet

  21. Oral manifestations of COVID-19 in unvaccinated patients: a cross-sectional study

    Article • BMC Oral Health, September 2023, Springer Science + Business Media

    Guilherme Calvet

  22. Paracoccidioidomycosis and pregnancy: A 40-year single-center cohort study in the endemic area of Rio de Janeiro, Brazil

    Article • PLoS Neglected Tropical Diseases, September 2023, PLOS

    Guilherme Calvet

  23. SARS-CoV-2 Reinfection Cases in a Household-Based Prospective Cohort in Rio de Janeiro

    Article • The Journal of Infectious Diseases, August 2023, Oxford University Press (OUP)

    Guilherme Calvet

  24. Zika-specific neutralizing antibodies targeting inter-dimer envelope epitopes

    Article • Cell Reports, August 2023, Elsevier

    Guilherme Calvet

  25. The Role of Children in Household Transmission of SARS-CoV-2 Across Four Waves of the Pandemic

    Article • Journal of the Pediatric Infectious Diseases Society, June 2023, Oxford University Press (OUP)

    Guilherme Calvet

  26. Oral cavity manifestations in COVID-19 patients: A cross-sectional study

    Article • June 2023, Research Square

    Guilherme Calvet

  27. Reduced ability to neutralize the Omicron variant among adults after infection and complete vaccination with BNT162b2, ChAdOx1, or CoronaVac and heterologous boosting

    Article • Scientific Reports, May 2023, Springer Science + Business Media

    Guilherme Calvet

  28. Accuracy of saliva for SARS-CoV-2 detection in outpatients and their household contacts during the circulation of the Omicron variant of concern

    Article • BMC Infectious Diseases, May 2023, Springer Science + Business Media

    Guilherme Calvet

  29. Challenges of acute febrile illness diagnosis in a national infectious diseases center in Rio de Janeiro: 16-year experience of syndromic surveillance

    Article • PLoS Neglected Tropical Diseases, April 2023, PLOS

    Guilherme Calvet

  30. Mortality rates by gender and sexual orientation reveal a disproportionally high mortality among cisgender men of unknown sexual orientation and men who have sex with women in a cohort of people living with HIV in Rio de Janeiro, Brazil

    Article • The Brazilian Journal of Infectious Diseases, March 2023, Elsevier

    Guilherme Calvet

  31. Early diagnostic indicators of dengue versus other febrile illnesses in Asia and Latin America (IDAMS study): a multicentre, prospective, observational study

    Article • The Lancet Global Health, March 2023, Elsevier

    Guilherme Calvet

  32. Ambulatory and hospitalized patients with suspected and confirmed mpox: an observational cohort study from Brazil

    Article • The Lancet Regional Health - Americas, January 2023, Elsevier

    Guilherme Calvet

  33. Long COVID-19 syndrome associated with Omicron XBB.1.5 infection: a case report

    Article • Memórias do Instituto Oswaldo Cruz, January 2023, FapUNIFESP (SciELO)

    Guilherme Calvet

  34. Predictors of Chronic Joint Pain after Chikungunya Virus Infection in the INOVACHIK Prospective Cohort Study

    Article • January 2023, Elsevier

    Guilherme Calvet

  35. Cohort-profile: Household transmission of SARS-CoV-2 in a low-resource community in Rio de Janeiro, Brazil

    Article • BMJ Open, December 2022, BMJ

    Guilherme Calvet

  36. Chikungunya Virus Shedding in Semen: A Case Series

    Article • Viruses, August 2022, MDPI AG

    Guilherme Calvet

  37. Incidence of SARS-CoV-2 over four epidemic waves in a low-resource community in Rio de Janeiro, Brazil: A prospective cohort study

    Article • The Lancet Regional Health - Americas, August 2022, Elsevier

    Guilherme Calvet

  38. Beyond arboviruses: A multicenter study to evaluate differential diagnosis of rash diseases and acute febrile illness cases in Rio de Janeiro, Brazil

    Article • PLOS One, July 2022, PLOS

    Guilherme Calvet

  39. Myopericarditis associated with acute Zika virus infection: a case report

    Article • BMC Infectious Diseases, May 2022, Springer Science + Business Media

    Guilherme Calvet

  40. Tuberculosis treatment intermittency in the continuation phase and mortality in HIV-positive persons receiving antiretroviral therapy

    Article • BMC Infectious Diseases, April 2022, Springer Science + Business Media

    Guilherme Calvet

  41. Detection of Chikungunya virus in bodily fluids: The INOVACHIK cohort study

    Article • PLoS Neglected Tropical Diseases, March 2022, PLOS

    Guilherme Calvet

  42. Post-acute COVID-19 syndrome after reinfection and vaccine breakthrough by the SARS-CoV-2 Gamma variant in Brazil

    Article • International Journal of Infectious Diseases, January 2022, Elsevier

    Guilherme Calvet

  43. Fatal Brazilian spotted fever in a healthy military man during field training in Rio de Janeiro city, southeastern Brazil

    Article • January 2022, FapUNIFESP (SciELO)

    Guilherme Calvet

  44. O que precisamos saber sobre a infecção humana pelo vírus monkeypox?

    Article • Cadernos de Saúde Pública, January 2022, FapUNIFESP (SciELO)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  45. What do we need to know about the monkeypox virus infection in humans?

    Article • Cadernos de Saúde Pública, January 2022, FapUNIFESP (SciELO)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  46. A prospective, multicentre, cohort study to assess the incidence of dengue illness in households from selected communities in Brazil (2014–2018)

    Article • International Journal of Infectious Diseases, July 2021, Elsevier

    Guilherme Calvet , PhD, MD André Ricardo Ribas Freitas, Dr GUILHERME Amaral CALVET

  47. SARS-CoV-2 Infection Dynamics in Children and Household Contacts in a Slum in Rio de Janeiro

    Article • PEDIATRICS, July 2021, American Academy of Pediatrics (AAP)

    Guilherme Calvet

  48. Investigation of SARS-CoV-2 infection in dogs and cats of humans diagnosed with COVID-19 in Rio de Janeiro, Brazil

    Article • PLOS One, April 2021, PLOS

    Dr GUILHERME Amaral CALVET, Guilherme Calvet

  49. Diagnostic performance of anti-Zika virus IgM, IgAM and IgG ELISAs during co-circulation of Zika, dengue, and chikungunya viruses in Brazil and Venezuela

    Article • PLoS Neglected Tropical Diseases, April 2021, PLOS

    Guilherme Calvet

  50. An initiative of cooperation in Zika virus research: the experience of the ZIKABRA study in Brazil

    Article • BMC Public Health, March 2021, Springer Science + Business Media

    Guilherme Calvet

  51. Cohort profile: Study on Zika virus infection in Brazil (ZIKABRA study)

    Article • PLOS One, January 2021, PLOS

    Dr GUILHERME Amaral CALVET, Guilherme Calvet

  52. Chikungunya associated vulvitis: case report and literature review

    Article • Jornal Brasileiro de Doenças Sexualmente Transmissíveis, January 2021, Zeppelini Editorial e Comunicacao

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  53. Nevirapine pharmacokinetics in HIV-infected persons receiving rifapentine and isoniazid for TB prevention

    Article • Journal of Antimicrobial Chemotherapy, November 2020, Oxford University Press (OUP)

    Guilherme Calvet

  54. Co-Circulation of Two Independent Clades and Persistence of CHIKV-ECSA Genotype during Epidemic Waves in Rio de Janeiro, Southeast Brazil

    Article • Pathogens, November 2020, MDPI AG

    Guilherme Calvet

  55. Accurate detection of Zika virus IgG using a novel immune complex binding ELISA

    Article • Tropical Medicine & International Health, November 2020, Wiley

    Guilherme Calvet

  56. The Zika Virus Individual Participant Data Consortium: A Global Initiative to Estimate the Effects of Exposure to Zika Virus during Pregnancy on Adverse Fetal, Infant, and Child Health Outcomes

    Article • Tropical Medicine and Infectious Disease, September 2020, MDPI AG

    Guilherme Calvet , Dr. Thomas Debray

  57. Bilateral median nerve neuritis after chikungunya virus infection

    Article • The Lancet Infectious Diseases, March 2020, Elsevier

    Guilherme Calvet

  58. Zika virus RNA excretion in sweat with concomitant detection in other body fluid specimens

    Article • Memórias do Instituto Oswaldo Cruz, January 2020, FapUNIFESP (SciELO)

    Guilherme Calvet

  59. Zika virus infection as a cause of congenital brain abnormalities and Guillain-Barré syndrome: A living systematic review

    Article • F1000Research, August 2019, Faculty of 1000, Ltd.

    Dr GUILHERME Amaral CALVET, Guilherme Calvet

  60. Congenital Zika syndrome: is the heart part of its spectrum?

    Article • Clinical Microbiology and Infection, August 2019, Elsevier

    Guilherme Calvet

  61. Circulation of chikungunya virus East/Central/South African lineage in Rio de Janeiro, Brazil

    Article • PLOS One, June 2019, PLOS

    Guilherme Calvet

  62. Field diagnosis and genotyping of chikungunya virus using a dried reverse transcription loop-mediated isothermal amplification (LAMP) assay and MinION sequencing

    Article • PLoS Neglected Tropical Diseases, June 2019, PLOS

    Guilherme Calvet

  63. Zika Virus in Rectal Swab Samples

    Article • Emerging Infectious Diseases, May 2019, Centers for Disease Control and Prevention (CDC)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  64. Zika Virus Infection and Differential Diagnosis in a Cohort of HIV-Infected Patients

    Article • JAIDS Journal of Acquired Immune Deficiency Syndromes, October 2018, Wolters Kluwer Health

    Guilherme Calvet

  65. Treatment of chikungunya musculoskeletal disorders: a systematic review

    Article • Expert Review of Anti-infective Therapy, March 2018, Taylor & Francis

    Dr GUILHERME Amaral CALVET, Guilherme Calvet

  66. Study on the persistence of Zika virus (ZIKV) in body fluids of patients with ZIKV infection in Brazil

    Article • BMC Infectious Diseases, January 2018, Springer Science + Business Media

    Guilherme Calvet

  67. Behavioral, climatic, and environmental risk factors for Zika and Chikungunya virus infections in Rio de Janeiro, Brazil, 2015-16

    Article • PLOS One, November 2017, PLOS

    Guilherme Calvet

  68. Accuracy of Zika virus disease case definition during simultaneous Dengue and Chikungunya epidemics

    Article • PLOS One, June 2017, PLOS

    Guilherme Calvet

  69. Environmental and Climatic Risk Factors for Zika and Chikungunya Virus Infections in Rio de Janeiro, Brazil, 2015–2016

    Article • Open Forum Infectious Diseases, January 2017, Oxford University Press (OUP)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  70. The Emerging Zika Virus Threat: A Guide for Dermatologists

    Article • American Journal of Clinical Dermatology, December 2016, Springer Science + Business Media

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  71. Zika Virus Infection in Pregnant Women in Rio de Janeiro

    Article • The New England Journal of Medicine and Surgery and the Collateral Branches of Science, December 2016, New England Journal of Medicine (NEJM/MMS)

    Guilherme Calvet

  72. Zika virus infection

    Article • Current Opinion in Infectious Diseases, October 2016, Wolters Kluwer Health

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  73. Antiretroviral Therapy for the Prevention of HIV-1 Transmission

    Article • The New England Journal of Medicine and Surgery and the Collateral Branches of Science, September 2016, New England Journal of Medicine (NEJM/MMS)

    Guilherme Calvet

  74. Exanthema associated with Zika virus infection

    Article • The Lancet Infectious Diseases, July 2016, Elsevier

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  75. Three months of weekly rifapentine and isoniazid for treatment of Mycobacterium tuberculosis infection in HIV-coinfected persons

    Article • AIDS, June 2016, Wolters Kluwer Health

    Guilherme Calvet

  76. Detection and sequencing of Zika virus from amniotic fluid of fetuses with microcephaly in Brazil: a case study

    Article • The Lancet Infectious Diseases, June 2016, Elsevier

    Guilherme Calvet

  77. Zika Virus Infection in Pregnant Women in Rio de Janeiro—Preliminary Report

    Article • Obstetrical & Gynecological Survey, June 2016, Wolters Kluwer Health

    Guilherme Calvet

  78. Zika Virus Outbreak in Rio de Janeiro, Brazil: Clinical Characterization, Epidemiological and Virological Aspects

    Article • PLoS Neglected Tropical Diseases, April 2016, PLOS

    Guilherme Calvet

  79. Guillain-Barré syndrome associated with Zika virus infection

    Article • The Lancet, April 2016, Elsevier

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  80. First detection of autochthonous Zika virus transmission in a HIV-infected patient in Rio de Janeiro, Brazil

    Article • Journal of Clinical Virology, January 2016, Elsevier

    Guilherme Calvet

  81. Predictors of early menopause in HIV-infected women: a prospective cohort study

    Article • American Journal of Obstetrics and Gynecology, June 2015, Elsevier

    Guilherme Calvet

  82. Chikungunya: uma arbovirose em estabelecimento e expansão no Brasil

    Article • Cadernos de Saúde Pública, May 2015, FapUNIFESP (SciELO)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  83. Cascade of access to interventions to prevent HIV mother to child transmission in the metropolitan area of Rio de Janeiro, Brazil

    Article • The Brazilian Journal of Infectious Diseases, May 2014, Elsevier

    Guilherme Calvet

  84. Suicide risk and alcohol and drug abuse in outpatients with HIV infection and Chagas disease

    Article • Brazilian Journal of Psychiatry, April 2014, FRACTAL EDITORA LTDA

    Guilherme Calvet

  85. Absence of Effect of Menopause Status at Initiation of First-Line Antiretroviral Therapy on Immunologic or Virologic Responses: A Cohort Study from Rio de Janeiro, Brazil

    Article • PLOS One, February 2014, PLOS

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  86. Impact of a single safety-engineered device on the occurrence of percutaneous injuries in a general hospital in Brazil

    Article • American Journal of Infection Control, February 2014, Elsevier

    Guilherme Calvet

  87. Factors associated with viral load suppression in HIV-infected pregnant women in Rio de Janeiro, Brazil

    Article • International Journal of STD & AIDS, January 2012, SAGE Publications

    Guilherme Calvet

  88. Prevention of HIV-1 Infection with Early Antiretroviral Therapy

    Article • The New England Journal of Medicine and Surgery and the Collateral Branches of Science, August 2011, New England Journal of Medicine (NEJM/MMS)

    Guilherme Calvet

  89. Group B Streptococcus in a cohort of HIV-infected pregnant women: Prevalence of colonization, identification and antimicrobial susceptibility profile

    Article • Scandinavian Journal of Infectious Diseases, June 2011, Taylor & Francis

    Guilherme Calvet

  90. Adesão ao pré-natal de mulheres HIV+ que não fizeram profilaxia da transmissão vertical: um estudo sócio-comportamental e de acesso ao sistema de saúde

    Article • Cadernos de Saúde Pública, September 2010, FapUNIFESP (SciELO)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  91. Maternal Antiretroviral Use During Pregnancy and Infant Congenital Anomalies: The NISDI Perinatal Study

    Article • JAIDS Journal of Acquired Immune Deficiency Syndromes, February 2010, Wolters Kluwer Health

    Guilherme Calvet

  92. Cohort Profile: NICHD International Site Development Initiative (NISDI): a prospective, observational study of HIV-exposed and HIV-infected children at clinical sites in Latin American and Caribbean countries

    Article • International Journal of Epidemiology, November 2008, Oxford University Press (OUP)

    Guilherme Calvet

  93. Antiretroviral Resistance among HIV Type 1-Infected Women First Exposed to Antiretrovirals during Pregnancy: Plasma versus PBMCs

    Article • AIDS Research and Human Retroviruses, June 2008, Mary Ann Liebert Inc

    Guilherme Calvet

  94. Trends in a Cohort of HIV-infected pregnant women in Rio de Janeiro, 1996-2004

    Article • Revista Brasileira de Epidemiologia, September 2007, FapUNIFESP (SciELO)

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  95. Maternal antiretroviral drugs during pregnancy and infant low birth weight and preterm birth

    Article • AIDS, November 2006, Wolters Kluwer Health

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  96. Nevirapine toxicity in a cohort of HIV-1–infected pregnant women

    Article • American Journal of Obstetrics and Gynecology, January 2006, Elsevier

    Guilherme Calvet

  97. Vertical transmission of HIV in Rio de Janeiro, Brazil

    Article • AIDS, August 2003, Wolters Kluwer Health

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  98. Neutralization Titres and Vertical HIV-1 Transmission

    Article • Scandinavian Journal of Immunology, December 2002, Wiley

    Guilherme Calvet

  99. Accumulation of 3H-Phosphoinositides Mediated by Muscarinic Receptors in the Developing Chick Retina: Inhibition of Carbachol-Induced Response by Glutamate Receptors

    Article • Journal of Neurochemistry, November 2002, Wiley

    Guilherme Calvet , Dr GUILHERME Amaral CALVET

  100. Vertical HIV-1 Transmission: Importance of Neutralizing Antibody Titer and Specificity

    Article • Scandinavian Journal of Immunology, March 2001, Wiley

    Guilherme Calvet

  101. Transient cyclic AMP accumulation mediated by dopamine D1 receptors in the chick embryo optic lobe

    Article • Developmental Brain Research, October 1992, Elsevier

    Guilherme Calvet , Dr GUILHERME Amaral CALVET