Group 1 - The core issue is the outbreak of Chikungunya fever in Shunde District, Foshan City, with a total of 478 confirmed cases reported, all of which are mild cases [1] - Chikungunya fever is an acute infectious disease caused by the Chikungunya virus, primarily transmitted by Aedes mosquitoes, affecting all age groups [2] - Symptoms typically appear within 3-7 days after infection, including high fever that can reach 39°C to 40°C, severe joint pain, and rashes [4][6][7] Group 2 - Chikungunya fever shares similarities with dengue fever, both being transmitted by mosquitoes and presenting with high fever and joint pain, but differs in that Chikungunya has a shorter fever duration and more persistent joint pain [8] - There is currently no specific treatment for Chikungunya fever, making mosquito prevention and control crucial [10] - Preventive measures include eliminating standing water, maintaining cleanliness, and using physical barriers like screens and mosquito nets [11][13][20]