发生概况目前肉毒中毒主要发生在西北地区及青藏高原,内陆地区亦有少数发生,沿海地区除河北、山东、广东三省外,其他省份未见报道。中毒型别新疆以 A 型为主,河北、山东、河南及宁夏等省区多为 B 型,青海、西藏以 E 型为多。黑龙江、吉林和山东也各发生一起 E 型肉毒中毒。中毒食品引起中毒的食品种类可分为两种情况:1.青、藏少数民族地区引起中毒的食品以牛、羊肉等动物性食品为主。屠宰、贮存过程中造成肉食污 Occurrence present botulinum poisoning occurs mainly in the northwestern region and the Qinghai-Tibet Plateau, a small number of inland areas also occurred in coastal areas except Hebei, Shandong and Guangdong provinces, the other provinces have not been reported. Type A was the main type of poisoning in Xinjiang. Most of the provinces in Hebei, Shandong, Henan and Ningxia were Type B and Qinghai, while Type E was mostly in Tibet. Heilongjiang, Jilin and Shandong also have a type E botulism. Poisoned food poisoning caused by the types of food can be divided into two situations: 1. Green, Tibetan food poisoning caused by ethnic minority areas to cattle, mutton and other animal foods based. Slaughtering, storage process caused by meat pollution