The US Centers for Disease Control and Prevention (CDC) is preparing to issue a travel advisory for China following a surge in mosquito-borne chikungunya infections, particularly in the southern province of Guangdong, Bloomberg News reported Wednesday.
“CDC is aware of the reported chikungunya outbreak in Guangdong Province in China and is currently assessing the size and extent of the outbreak,” a CDC spokesperson told Bloomberg News.
According to the Global Times newspaper, South China’s Guangdong Province reported a total of 4,824 chikungunya cases as of July 26.
Chikungunya, which is spread primarily by Aedes mosquito species and has no specific treatment, can cause rapid and large outbreaks. As the mosquitoes bite in the daytime, prevention is key, through the use of insect repellent and long-sleeved clothing.
Earlier this month, the World Health Organization issued an urgent call for action to prevent a repeat of the 2004-2005 epidemic of chikungunya as new outbreaks linked to the Indian Ocean region spread to Europe and other continents.
The current surge began in early 2025, with major outbreaks in the same Indian Ocean islands which were previously hit, including La Runion, Mayotte and Mauritius.
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