Vaccine manufacturer Indian Immunologicals Limited (IIL) expects to commercially launch its dengue fever vaccine by early 2026, a top executive said, as the race to develop the country s first such vaccine heats up. Dengue, a mosquito-borne disease, has over the last few years become a major public health concern in India, with 31,464 dengue cases and 36 related deaths reported between January and July 31, 2023.