China is currently facing its largest outbreak of the chikungunya virus, a mosquito-borne illness characterized by fever, joint pain, and rash. Since mid-June, nearly 8,000 cases have been reported across more than a dozen cities, with Guangdong province, particularly Foshan city, being the epicenter. Foshan has seen a decline in new cases, reporting 1,387 infections from August 3 to 9, down from 2,892 the previous week, as a result of targeted prevention measures including chemical spraying and quarantine protocols. Authorities have mobilized extensive mosquito control campaigns, reminiscent of the Covid-19 lockdown efforts, and have introduced unconventional tactics such as deploying predatory "cannibal" mosquitoes. The National Disease Control and Prevention Administration has issued updated technical guidelines for chikungunya prevention and control, designating Guangxi Zhuang Autonomous Region as a Category I risk area. Hong Kong has reported five imported cases and launched a mosquito prevention campaign in response to rising regional infections. The United States Centers for Disease Control and Prevention (CDC) has issued a Level 2 travel advisory for China due to the outbreak, noting over 7,000 cases in Guangdong’s Foshan since July. While the CDC assesses the risk to the U.S. as low, it warns of potential isolated outbreaks involving a few hundred cases. The outbreak has led to increased global demand for mosquito-repellent products, with Chinese-made electric swatters and repellents becoming top sellers. China has also introduced a four-tier infectious disease risk classification system to manage outbreak alerts more effectively.