Reports Claim Shiwan, Foshan, Guangdong Requires Local Businesses and Workers to Undergo Mass Blood Testing After Dengue Fever Cases Detected

On August 21, 2026, netizens in Shiwan, Foshan, Guangzhou Province reported that after dengue fever cases appeared locally, the economic cooperative notified businesses and workers in its jurisdiction to bring their ID cards and go collectively to the senior activity center for blood testing.