Fig. 2
From: Clinical and molecular epidemiology of chikungunya outbreaks during 2019–2022 in India

Clinical symptoms of chikungunya were recorded at the time of enrolment. (a) The proportions (0 to 1) of patients who presented with clinical symptoms are presented in a heatmap. The scale at the right top corner represents the proportion of patients with symptoms occurring in the increasing shade of orange (mildest shade: 0 and darkest shade: 1). (b) The proportions (0 to 1) of patients identified as reactive to the laboratory assays are presented in a heatmap. The scale at the right top corner represents the proportion of patients with symptoms occurring in the increasing shade of orange (mildest shade: 0 and darkest shade: 1). (c) The proportions (0 to 1) of patients identified with CHIKF categorically based on their socio-economic status are presented in a heatmap. The scale at the right top corner represents the proportion of patients with symptoms occurring in the increasing shade of orange (mildest shade: 0 and darkest shade: 1).