India, Oct. 7 -- Sangrur district has seen a spike in chikungunya cases even as the incidence of dengue, another viral infection transmitted by mosquitoes, is on the decline as compared to the corresponding period last year.

Data from the district health department up to October 6 shows that since July, 33 chikungunya positive cases have been reported. The department reported no case of chikungunya from July-December last year.

Despite the surge, the total testing for chikungunya remains relatively low, with only 360 samples tested till October 6.

In contrast, the district recorded 22 dengue cases since July, detected from 1,197 samples tested. This is a reasonable decline on an aggregate from the 100 total dengue cases recorded from J...