The U.S. Centers for Disease Control and Prevention has issued a travel warning following an outbreak of a mosquito-borne illness called chikungunya in China. The CDC's warning centers on Guangdong Province, where the outbreak has exceeded 7,000 confirmed cases since June 2025, according to Chinese health officials.

The Centers for Disease Control and Prevention is warning American travelers to take “enhanced precautions” when traveling to foreign countries experiencing a chikungunya virus outbreak. The mosquito-borne illness is currently prevalent in China,

Health officials are warning travelers about an outbreak in southern China of a painful mosquito-borne virus called chikungunya, which is spread by infected mosquitoes, mainly Aedes aegypti.