City waging war against vector-born diseases 21:28 UTC+8, 2021-04-13 0 The city has completed an emergency pre-plan, a regular process and professional team for vector-born diseases, the Shanghai Health Commission said today. Ti Gong Professionals conduct vector-control measures. The city has completed an emergency pre-plan, a regular process and professional team for vector-born diseases, the Shanghai Health Commission said today. The period between May and October is the peak season for worm-related diseases like dengue fever, which falls during the China Flower Expo in May and just before the China International Import Expo in November. The Shanghai Center for Disease Control and Prevention has created a vector prevention plan for the flower expo in Chongming District, and worked out a special plan targeting the expo for infectious disease prevention and control, according to Shi Jianhua, vice director of the Chongming District Health Commission.