Dhaka, Dec. 22 -- Severe and prolonged joint pain lasting more than three months has affected 60 percent of chikungunya patients in Chattogram, while dengue infections in the region have disproportionately hit younger people, a study has found.

The findings emerged from a joint research initiative by the Asperia Health Research and Development Foundation and Chattogram City Corporation, aimed at understanding the dengue and chikungunya situation in the region and preparing for future public health risks.

The study analysed patient data collected between June and November this year. Information from 1,797 dengue patients and 1,100 chikungunya patients was examined, covering clinical, public health, epidemiological and genetic characteris...