aDifferences tested by Chi-square test.bThe prevalence of subjects with at least one weekly symptom classified as skin.cThe prevalence of subjects with at least one weekly symptom classified as mucosa
CHIK+, persons with a history of CHIKV infection confirmed by serology (n = 199); CHIK–, persons confirmed as seronegative for CHIKV (n = 199); RR, relative risks; CI, confidence interval.*RR, relativ
