This report details the activities and results of the Preliminary and following 22 rounds of property surveys and treatments carried out between 9 March 2021 and 24 April 2026, that led to the successful elimination of the 2021 dengue mosquito incursion from Tennant Creek. While the dengue mosquito elimination program was extended following the 2026 Ae. aegypti incursion, this report does not cover any activities related to the new incursion.