As mosquitoes arrive early, Chinese health authorities urge vigilance against dengue fever, chikungunya
A surge in mosquito activity across China has triggered fresh public concern, as health authorities elevated the classification of two major mosquito-borne diseases—dengue fever and Chikungunya—to Class B notifiable infectious diseases starting on Wednesday, warning of heightened risks as the insects appear earlier than usual this year.
2026-04-02 09:52:05