让人“蚊”风丧胆的基孔肯雅热可怕在哪？

Core Points - The Chikungunya virus outbreak in Guangdong Province, specifically in Shunde District, has seen a rapid increase in local cases, with a total of 4,824 reported cases as of July 26, 2025, marking a ninefold increase in just 12 days [1][2][4]. Group 1: Disease Overview - Chikungunya, derived from the Makonde language meaning "bent posture," is characterized by severe joint pain that causes patients to bend over [1]. - The virus is primarily transmitted through bites from Aedes mosquitoes, particularly the Asian tiger mosquito and the yellow fever mosquito, and is spreading rapidly due to climate change and international travel [10][11]. Group 2: Comparison with Dengue Fever - Chikungunya is caused by the Chikungunya virus, while dengue fever is caused by the dengue virus, which has four serotypes. The incubation period for Chikungunya is typically 1-12 days, while for dengue, it is 1-14 days [9]. - Immunity after infection with Chikungunya is long-lasting, whereas dengue immunity is only specific to the serotype that caused the initial infection [9]. Group 3: Symptoms and Aftereffects - Common symptoms of Chikungunya include high fever, severe joint pain, and rash, with joint pain potentially lasting for weeks to months, and in some cases, even years [10][16]. - A study indicated that approximately 20-30% of infected individuals may experience joint pain symptoms, with some suffering from long-term effects such as decreased labor capacity and joint mobility issues [16]