(Thailand faces the worst dengue fever outbreak in three years)-the Executive Vice Minister of the Ministry of Health of Thailand, Opa, said on the 9th local time that Thailand is currently facing the worst dengue fever epidemic in three years. 18173 confirmed cases of dengue fever were reported in various parts of Thailand from January to May, 4.2 times that of the same period last year. On average, there were more than 900 new confirmed cases per week and a total of 15 deaths. Most of the infected people are concentrated in the capital Bangkok, south and central China. Among the infected people, children aged 5 to 14 were the most, followed by those aged 15 to 24.