Dataset Information

Acute haemorrhagic conjunctivitis outbreak in the city of Fortaleza, northeast Brazil.

ABSTRACT: BACKGROUND/AIM: Between February and May 2003 an epidemic of acute haemorrhagic conjunctivitis affected more than 200 000 people in all five geographic regions of Brazil (north, south, midwestern, southeast, and northeast). The aim was to identify the aetiological agent and to describe clinical aspects of this outbreak in a group of patients treated at the ophthalmology department of the Hospital Walter Cantídio (OD-HWC) at the Universidade Federal do Ceará, in the city of Fortaleza, capital of the state of Ceará, northeastern Brazil. METHODS: Conjunctival swabs were collected from patients who spontaneously went to the laboratory of virology. Specimens were inoculated in HEp-2 and RD cell lines. The viral isolation was confirmed by performing reverse transcriptase polymerase chain reaction and indirect immunofluorescence assay. RESULTS: Viral conjunctivitis was diagnosed in 56 patients but only 24 of them allowed the collection of samples. Of 24 conjunctival swabs tested, 11 were positive for a variant of coxsackie virus A24 (CA24v) and one of the isolates reacted with anti-adenovirus monoclonal antibodies. CONCLUSION: CA24v was confirmed as the aetiological agent of this outbreak of acute haemorrhagic conjunctivitis in the city of Fortaleza.

SUBMITTER: Moura FE

PROVIDER: S-EPMC1857380 | biostudies-literature | 2006 Sep

REPOSITORIES: biostudies-literature

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Acute haemorrhagic conjunctivitis outbreak in the city of Fortaleza, northeast Brazil.

Moura F E A FE Ribeiro D C S DC Gurgel N N da Silva Mendes A C AC Tavares F N FN Timóteo C N G CN da Silva E E EE

The British journal of ophthalmology 20060629 9

<h4>Background/aim</h4>Between February and May 2003 an epidemic of acute haemorrhagic conjunctivitis affected more than 200 000 people in all five geographic regions of Brazil (north, south, midwestern, southeast, and northeast). The aim was to identify the aetiological agent and to describe clinical aspects of this outbreak in a group of patients treated at the ophthalmology department of the Hospital Walter Cantídio (OD-HWC) at the Universidade Federal do Ceará, in the city of Fortaleza, capi ...[more]

PMID: 16809381

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Project description:BackgroundTuberculosis (TB) remains a public health problem, despite recent achievements in reducing incidence and mortality rates. In Brazil, these achievements were above the worldwide average, but marked by large regional heterogeneities. In Fortaleza (5th largest city in Brazil), the tuberculosis cure rate has been declining and treatment abandonment has been increasing in the past decade, despite a reduction in incidence and an increase in directly observed therapy (DOT). These trends put efforts to eliminate tuberculosis at risk. We therefore sought to determine social and programmatic determinants of tuberculosis incidence and treatment abandonment in Fortaleza.MethodsWe analyzed sociodemographic and clinical data for all new tuberculosis cases notified in the Notifiable Diseases Information System (SINAN) from Fortaleza between 2007 and 2014. We calculated incidence rates for 117 neighborhoods in Fortaleza, assessed their spatial clustering, and used spatial regression models to quantify associations between neighborhood-level covariates and incidence rates. We used hierarchical logistic regression models to evaluate how individual- and neighborhood-level covariates predicted tuberculosis treatment abandonment.ResultsThere were 12,338 new cases reported during the study period. Case rates across neighborhoods were significantly positively clustered in two low-income areas close to the city center. In an adjusted model, tuberculosis rates were significantly higher in neighborhoods with lower literacy, higher sewerage access and homicide rates, and a greater proportion of self-reported black residents. Treatment was abandoned in 1901 cases (15.4%), a rate that rose by 71% between 2007 and 2014. Abandonment was significantly associated with many individual sociodemographic and clinical factors. Notably, being recommended for DOT was protective for those who completed DOT, but associated with abandonment for those who did not.ConclusionLow socioeconomic status areas have higher tuberculosis rates, and low socioeconomic individuals have higher risk of treatment abandonment, in Fortaleza. Treatment abandonment rates are growing despite the advent of universal DOT recommendations in Brazil. Proactive social policies, and active contact tracing to find missed cases, may help reduce the tuberculosis burden in this setting.

Dataset Information

Acute haemorrhagic conjunctivitis outbreak in the city of Fortaleza, northeast Brazil.

Publications

Acute haemorrhagic conjunctivitis outbreak in the city of Fortaleza, northeast Brazil.

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