China’s chikungunya outbreak has infected 8,000 people in the south, prompting Canada, Taiwan, and the U.S. to issue travel alerts. Guangdong logged 2,892 new cases in a week. Authorities urge ...

China is carrying out its most challenging containment operation since COVID-19, using surveillance drones, mass insecticide spraying, and electricity shutoffs to contain a chikungunya virus outbreak ...