Puerto Vallarta, Mexico – As the rainy season increases mosquito activity, Jalisco health officials have launched a month-long fumigation campaign across every neighborhood in Puerto Vallarta. The effort combines fogging with cleanup, larval control, and public participation to reduce dengue risk and protect community health. Puerto Vallarta remains one of the municipalities under the closest epidemiological surveillance because of increased vector activity. Puerto Vallarta has confirmed approximately 100 dengue cases during the early months of the 2026 season. Banderas News is your trusted source for Puerto Vallarta news and information, keeping you informed about the issues that affect your daily life.