美国密歇根州爆发由环孢子虫引起的腹泻疫情，确诊病例数已突破 1000 例，创下该州历史记录 [1]。自今年 6 月 22 日以来，病例主要集中在密歇根州东南部地区出现 [1]。目前在该州的确诊人数为 992 人，其中约有 40 人需要住院治疗 [1]。
疫情已扩散至全美多个州，调查范围包括俄亥俄州在内的共 28 个州 [1]。在俄亥俄州卢卡斯县报告了 306 例病例，而该州的西北地区确诊病例超过 500 例 [1]。当前感染总数是去年同期的四倍 [1]。
密歇根州卫生官员表示尚未确定具体的感染源头 [1]。Dr. Natasha Bagdasarian 指出：“显然正在发生关联疫情”[1]。
A diarrheal outbreak caused by the ringworm-like parasite Cryptosporidium has surpassed 1,000 confirmed cases in Michigan, setting a new state record [1]. Since June 22, infections have been detected across southeastern Michigan [1]. Approximately 40 of the nearly 1,000 patients admitted to hospitals are currently hospitalized due to severe symptoms [1].
The investigation has expanded beyond Michigan's borders. Ohio is among at least 28 states where health officials are actively searching for a source and potential links between cases [1]. In neighboring Lucas County, Ohio, investigators have identified 306 confirmed cases of the parasite in recent weeks [1]. Additionally, more than 500 cases have been reported across other areas within northwest Michigan [1].
The current surge represents a fourfold increase compared to case numbers during the same period last year [1]. Dr. Natasha Bagdasarian stated that "there is clearly an outbreak happening" based on the data collected so far [1]. Despite the rapid rise in infections, health officials have not yet pinpointed the specific source of contamination or determined how individuals are contracting the disease [1].