Regional AlertVietnam dengue cases top 300K in 2022 November 17, 2022By MBDS Team16 November 2022. According to the Vietnam Ministry of Health, since the beginning of the year through November 15, 303,637 dengue fever cases, including 112 fatalities have been reported. Compared with the same period in 2021 (62,106/24), cases increased 4.9 times, deaths increased by 88.