Summary:
In certain high dengue burden clusters in Thiruvananthapuram -- Nemom and Vilavoorkal -- the sero prevalence among children was as high as 60%. The sero prevalence among 5-8 -year-olds in a group from SAT Hospital was found to be 27 %. Phase I of the study involved school-based surveillance studies for assessing community-level dengue sero prevalence amongst 9-12-year-olds . Even in the so-called low-burden clusters like Karakulam, the sero prevalence rate was 32 %, indicating that the picture in Thiruvananthapuram is quite worrying. “We expect the sero prevalence in adults to be much higher..