CDC与FDA调查生蚝沙门氏菌疫情：12个州27人感染 涉事Virginia公司召回9月18日至10月8日采收的牡蛎

美国疾病控制与预防中心（CDC）与食品药品监管局（FDA）10月19日公布，正在与多州卫生部门调查一起与生蚝有关的沙门氏菌疫情（菌型 Salmonella Telelkebir）：截至10月19日，12个州共报告27例确诊感染；在有资料的21名患者中5人住院（约24%），无人死亡。发病日期介于5月29日至9月14日之间。

调查显示，13名接受访谈的患者中有10人（77%）报告发病前吃过生蚝，远高于 CDC 食物网（FoodNet）人口调查中1.6%的背景比例；其中7人所食牡蛎的来源可以追溯，产自 Virginia 州 Little Wicomico River、由 Little Wicomico Oyster Company 采收的牡蛎是这7人共同的交集。Pennsylvania 州官员在一家分销商处抽检到该公司的牡蛎样本，检出沙门氏菌，全基因组测序比对该样本是否与疫情菌株一致的工作尚在进行。

涉事公司位于 Virginia 州 Heathsville，经销商证书编号 VA-1421-SP，已召回9月18日至10月8日在 Little Wicomico River 采收的牡蛎、通知客户，并已停止在受影响水域采收；Virginia 州卫生部门已自10月9日起临时关闭该河的贝类采收。FDA 表示，涉事牡蛎曾分销到 CA、CO、CT、DC、FL、GA、IL、MD、MO、NC、NJ、NV、NY、PA、TX 与 VA 的餐厅和零售商，并可能被进一步分销；FDA 要求餐厅和零售商不要出售或供应被召回的牡蛎，消费者不要食用，应将其丢弃或联系分销商安排销毁。

据 FDA 与 CDC 介绍，沙门氏菌感染症状通常在食用受污染食物后12至72小时内出现，包括腹泻、腹部绞痛和发烧，健康成年人通常病程为4至7天；婴幼儿、老年人和免疫力较弱者出现重症的风险更高。受沙门氏菌污染的食物通常在外观、气味和味道上并无异常。

CDC and FDA Investigate Salmonella Outbreak Linked to Raw Oysters: 27 Sickened in 12 States; Virginia Company Recalls Oysters Harvested September 18 to October 8

The Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA) announced on October 19 that they are investigating, with state health authorities, a multistate outbreak of Salmonella Telelkebir infections linked to raw oysters. As of October 19, 27 people in 12 states have been confirmed sick; of the 21 patients with information available, five (24%) have been hospitalized, and no deaths have been reported. Illness onset dates range from May 29 to September 14, 2026.

Of 13 patients interviewed, 10 (77%) reported eating raw oysters, far above the 1.6% background rate in CDC's FoodNet Population Survey. Traceback was possible for seven of the ten, and oysters harvested by the Little Wicomico Oyster Company from the Little Wicomico River in Virginia were the only oysters all seven had in common. Pennsylvania officials also sampled oysters at a distributor that supplied restaurants where sick people ate; one sample harvested by the company from the Little Wicomico River tested positive for Salmonella, and whole genome sequencing to determine whether it matches the outbreak strain is pending.

The company, based in Heathsville, Virginia (dealer certification VA-1421-SP), has recalled oysters harvested from the Little Wicomico River from September 18 through October 8, 2026, has contacted its customers, and has stopped harvesting from the affected area. The Virginia Department of Health temporarily closed the Little Wicomico River to shellfish harvesting effective October 9. According to the FDA, the oysters were distributed to restaurants and retailers in CA, CO, CT, DC, FL, GA, IL, MD, MO, NC, NJ, NV, NY, PA, TX and VA, and may have been further distributed; the FDA advises restaurants and retailers not to serve or sell, and consumers not to eat, the recalled oysters, and says they should be thrown away or returned to the distributor for destruction.

According to the FDA and CDC, symptoms of Salmonella infection usually begin 12 to 72 hours after eating contaminated food and can include diarrhea, abdominal cramps and fever; otherwise healthy adults are usually sick for four to seven days, while infants, children, older adults and people with weakened immune systems face a higher risk of severe illness. Food contaminated with Salmonella does not usually look, smell or taste spoiled.

来源：GSM·美国（原文链接）

图片来源：图：生蚝（资料图），CC BY-SA 4.0，经 Wikimedia Commons。Photo: Raw oysters (file photo), CC BY-SA 4.0, via Wikimedia Commons.

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