Group 1 - The core focus is on the preparations for the safe and orderly start of the 2025 autumn semester in Zhanjiang, emphasizing mosquito control and environmental sanitation in schools [1] - Zhanjiang's education system has initiated a series of measures, including a meeting to deploy epidemic prevention strategies against the Chikungunya virus and training for mosquito control [1] - Schools are required to complete at least four comprehensive environmental cleanings and three overall disinfections before the start of the semester, following a strict "clean first, then disinfect" protocol [1] Group 2 - A thorough inspection of key areas such as classrooms, dormitories, construction sites, and green spaces will be conducted daily in the week leading up to the semester to eliminate mosquito breeding environments [1] - The training and disinfection efforts are progressing systematically across the education system to ensure all schools meet health standards before the semester begins [2]