美国疾病控制中心(CDC)和环境保护局(EPA)联合公布了美国1978年水源性疾病流行情况。 1978年美国共报告32起急性水源性疾病,发病11,435人。总计有十八个州发病,宾夕法尼亚州最多有7起,占21%。16起病因不明,以急性胃肠炎为主,潜伏期为12～48小时,其中有5起标本检出病毒。另16起病因包括:志贺氏菌病4起,兰伯氏贾第虫病4起,类Norwalk病毒性疾病3起,沙门氏菌病2起,化学性2起,胎儿弯曲杆菌空肠亚种肠炎病 The United States Centers for Disease Control (CDC) and the Environmental Protection Agency (EPA) jointly announced the 1978 epidemic of water-borne diseases in the United States. In 1978, a total of 32 acute water-borne diseases were reported in the United States, of which 11,435 were reported. A total of eighteen states of incidence, Pennsylvania up to 7, accounting for 21%. 16 etiology is unknown, mainly acute gastroenteritis, the incubation period of 12 to 48 hours, of which five specimens detected the virus. The other 16 causes include: 4 Shigella, Giardia Lamberti 4, Norwalk virus 3, Salmonellosis 2, 2, Campylobacter jejuni enteritis