Fig. 2

Number of dengue cases without and with warning signs and severe dengue according to gender, age group and ethnicity. The analyses were performed with data collected between 2015 and 2017 from all municipalities of Pernambuco, except Fernando de Noronha. During case reporting, among the 170,477 individuals diagnosed (total cases), ethnicity was ignored in 87,496. a, b and c: correspond to the number of dengue without warning signs cases, according to gender, age and ethnicity of infected individuals, respectively; d, e and f: number of dengue with warning signs cases according to gender, age and ethnicity of infected individuals, respectively; and g, h and i: number of severe dengue cases according to gender, age and ethnicity of infected individuals, respectively. The p-value was obtained by χ2 test