Dengue cases rise sharply after rains due to increased mosquito breeding in stagnant water. Aedes aegypti, the carrier mosquito, thrives in post-monsoon conditions. Dr Rajalakshmi A, Senior Consultant in Infectious Diseases at KIMSHEALTH, Trivandrum, stresses the need for strong vector control, public awareness, and early intervention to prevent outbreaks and reduce the public health burden.