As mosquitoes arrive early, Chinese health authorities urge vigilance against dengue fever, chikungunya_蜘蛛资讯网
cross 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
unusually warm winter spanning late 2025 to early 2026, coupled with extreme weather linked to a strong El Nino event in 2026, has accelerated mosquito maturation and shortened breeding cycles.Regiona