
A health alert is issued for Guangdong, China. The reason is a rise in chikungunya cases. The CDC advises precautions for travellers. Foshan is the outbreak's epicentre. Chikungunya spreads via mosquitoes. It causes joint pain. Travellers should use insect repellent. They should also wear protective clothing. Vaccines are available in the US. High-risk individuals should be cautious.