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1978年登革热首次传入广东省佛山市石湾镇造成流行,涉及7个市县,流行8个月,患者2万余人。此后疫情缠绵,除1983、1984、1989年无发生外,其余年份均发生流行,且各型毒株D_4、D_1、D_3、D_2先后出现,全省历年累计病人663830例,死亡493人。1980年流行最烈,发病45万余人,发病率789.94%/10万,以海南(1987年前属广东)为主,涉及39个市县,还传至广西钦州地区。病死率1991年最高(0.sl%)。
Dengue fever in 1978 was first introduced into Shiwan, Foshan City, Guangdong Province, causing epidemics involving 7 cities and counties, with a prevalence of 8 months and more than 20,000 patients. In addition, there was no epidemic in 1983, 1984 and 1989, except for the occurrence of epidemics in other years, and various strains of D_4, D_1, D_3 and D_2 appeared one after another. There were 663,830 patients and 493 deaths in total in the whole province. In 1980, the epidemic was the strongest, with an incidence of more than 450,000 and a prevalence of 789.94% / 100 000. Hainan mainly belonged to Guangdong in 1987 and involved 39 cities and counties. It also spread to Qinzhou, Guangxi. The highest case fatality rate in 1991 (0.sl%).