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Table 1 Demographic characteristics of CHIKV confirmed cases in Brazil 2014

From: Emergence and potential for spread of Chikungunya virus in Brazil

  Number of cases (%)
Age (years)  
0–19 8 (11.8%)
20–39 39 (57.4%)
40–59 15 (22.1%)
60–70 5 (7.4%)
Unknown 1 (1.5%)
Sex  
Female 30 (60%)
Male 20 (40%)
Unknown 18 (27%)
State of notification  
Amapa 16 (23.5%)
Bahia 14 (20.6%)
Ceara 5 (7.4%)
Brasilia 2 (2.9%)
Goiania 2 (2.9%)
Maranhao 1 (1.5%)
Para 1 (1.5%)
Paraná 2 (2.9%)
Rio de Janeiro 3 (4.4%)
Rio Grande do Sul 2 (2.9%)
Roraima 5 (7.4%)
Sao Paulo 15 (22.1%)
Country of origin  
Brazil 65 (95.6%)
Outside Brazil 3 (4.4%)
Transmission cases  
Imported 41 (60.3%)
Autochthonous 27 (39.7%)
Place of infection (Autochthonous)  
Amapa state 13 (48.2%)
Bahia state 14 (51.8%)
Place of infection (Imported)  
Haitia 21 (51.2%)
French Guiana 1 (2.4%)
British Guiana 2 (4.9%)
Dominican Republicb 10 (24.4%)
Guadalupec 2 (4.9%)
Venezuela 3 (7.3%)
Unknownd 2 (4.9%)
  1. Data was collated between April and September 2014 from the Evandro Chagas Institute and reports from the National Program for Dengue Control. Patient’s epidemiological and clinical details can be found in Additional file 1: Table S1.
  2. aIncludes two travellers from Haiti; bIncludes one case that also travelled to Haiti; cIncludes one traveller from Guadalupe; dIncludes one patient that was infected in an unspecified Caribbean island.