Emergence and potential for spread of Chikungunya virus in Brazil

Table 1 Demographic characteristics of CHIKV confirmed cases in Brazil 2014

	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)
Haiti^a	21 (51.2%)
French Guiana	1 (2.4%)
British Guiana	2 (4.9%)
Dominican Republic^b	10 (24.4%)
Guadalupe^c	2 (4.9%)
Venezuela	3 (7.3%)
Unknown^d	2 (4.9%)

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.
^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.

ISSN: 1741-7015