Fig. 1From: Post-chikungunya arthritis: a longitudinal study in a tertiary care hospital in BangladeshStudy participants have been grouped into one image. *BSMMU Bangabandhu Sheikh Mujib Medical University. *The patient fulfilling the laboratory criteria {detection of positive reverse transcription-polymerase chain reaction or IgM antibody and/or demonstration of a rising titer of IgG antibody for Chikungunya virus (CHIKV) but not dengue}, regardless of the clinical presentation, is considered a confirmed caseBack to article page