{"survey":"BRA 2015(S019)","total":144,"counts":63,"age_min":40,"age_max":59,"tsur":2015,"country":"BRA","test":"ELISA","antibody":"IgG anti-CHIKV","reference":"Dias et al. 2018"} {"survey":"BRA 2015(S019)","total":148,"counts":69,"age_min":60,"age_max":79,"tsur":2015,"country":"BRA","test":"ELISA","antibody":"IgG anti-CHIKV","reference":"Dias et al. 2018"} {"survey":"BRA 2015(S019)","total":45,"counts":17,"age_min":1,"age_max":19,"tsur":2015,"country":"BRA","test":"ELISA","antibody":"IgG anti-CHIKV","reference":"Dias et al. 2018"} {"survey":"BRA 2015(S019)","total":109,"counts":55,"age_min":20,"age_max":39,"tsur":2015,"country":"BRA","test":"ELISA","antibody":"IgG anti-CHIKV","reference":"Dias et al. 2018"}