• Publications
  • Influence
Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic.
Between March and October 2000, 157 suspected cases of leptospirosis hospitalized with complications of Weil's syndrome and a mortality of 8% were identified in Salvador, Brazil. We conducted aExpand
  • 210
  • 10
  • PDF
Clinical Outcomes of Thirteen Patients with Acute Chagas Disease Acquired through Oral Transmission from Two Urban Outbreaks in Northeastern Brazil
Background Outbreaks of orally transmitted Trypanosoma cruzi continue to be reported in Brazil and are associated with a high mortality rate, mainly due to myocarditis. Methods This study is aExpand
  • 97
  • 5
  • PDF
Genetic ancestry and income are associated with dengue hemorrhagic fever in a highly admixed population
To test whether African ancestry is protective for severe dengue, we genotyped 49 hospitalized cases of dengue hemorrhagic fever (DHF) as well as 293 neighborhood cases of dengue fever and 294Expand
  • 71
  • 5
  • PDF
Factors associated with Leptospira sp infection in a large urban center in northeastern Brazil.
Leptospirosis is a zoonotic disease that has emerged to cause epidemics in urban communities in developing countries. However, little is known about the infection in the general population. AExpand
  • 59
  • 4
  • PDF
Epidemic of jungle yellow fever in Brazil, 2000: Implications of climatic alterations in disease spread
Seventy‐seven human cases of sylvatic yellow fever were reported in Brazil during the period January–June 2000. The first cases were reported 1 week after New Year's day and originated at Chapada dosExpand
  • 150
  • 3
  • PDF
High Zika Virus Seroprevalence in Salvador, Northeastern Brazil Limits the Potential for Further Outbreaks
ABSTRACT During 2015 to 2016, Brazil reported more Zika virus (ZIKV) cases than any other country, yet population exposure remains unknown. Serological studies of ZIKV are hampered by cross-reactiveExpand
  • 103
  • 3
  • PDF
Arterial Hypertension and Skin Allergy Are Risk Factors for Progression from Dengue to Dengue Hemorrhagic Fever: A Case Control Study
Background Currently, knowledge does not allow early prediction of which cases of dengue fever (DF) will progress to dengue hemorrhagic fever (DHF), to allow early intervention to prevent progressionExpand
  • 21
  • 3
  • PDF
Seroprevalence of Chikungunya Virus after Its Emergence in Brazil
Chikungunya has had a substantial impact on public health because of the magnitude of its epidemics and its highly debilitating symptoms. We estimated the seroprevalence, proportion of symptomaticExpand
  • 25
  • 2
  • PDF
Hantavirus pulmonary syndrome: prognostic factors for death in reported cases in Brazil.
Hantavirus pulmonary syndrome (HPS) was described for the first time in Brazil in 1993 and has occurred endemically throughout the country. This study analysed clinical and laboratory aspects as wellExpand
  • 21
  • 2
Acute Chagas disease outbreak associated with oral transmission.
Seven individuals living in a town in the Southwest of Bahia developed sudden signs of cardiac and systemic impairment, with lethality of 28.6%. Serological tests were positive at least in one testExpand
  • 96
  • 1
  • PDF