Cluster of Influenza A(H5) Cases Associated with Poultry Exposure at Two Facilities - Colorado, July 2024.

IF 25.4 1区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH MMWR. Morbidity and mortality weekly report Pub Date : 2024-08-29 DOI:10.15585/mmwr.mm7334a1
Cara C Drehoff, Elizabeth B White, Aaron M Frutos, Ginger Stringer, Alexis Burakoff, Nicole Comstock, Alicia Cronquist, Nisha Alden, Isaac Armistead, Allison Kohnen, Radhika Ratnabalasuriar, Emily A Travanty, Shannon R Matzinger, Alexandria Rossheim, Aleigha Wellbrock, H Pamela Pagano, Dennis Wang, Jordan Singleton, Rebekah A Sutter, C Todd Davis, Krista Kniss, Sascha Ellington, Marie K Kirby, Carrie Reed, Rachel Herlihy
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引用次数: 0

Abstract

Persons who work in close contact with dairy cattle and poultry that are infected with highly pathogenic avian influenza (HPAI) A(H5N1) virus are at increased risk for infection. In July 2024, the Colorado Department of Public Health & Environment responded to two poultry facilities with HPAI A(H5N1) virus detections in poultry. Across the two facilities, 663 workers assisting with poultry depopulation (i.e., euthanasia) received screening for illness; 109 (16.4%) reported symptoms and consented to testing. Among those who received testing, nine (8.3%) received a positive influenza A(H5) virus test result, and 19 (17.4%) received a positive SARS-CoV-2 test result. All nine workers who received positive influenza A(H5) test results had conjunctivitis, experienced mild illness, and received oseltamivir. This poultry exposure-associated cluster of human cases of influenza A(H5) is the first reported in the United States. The identification of these cases highlights the ongoing risk to persons who work in close contact with infected animals. Early response to each facility using multidisciplinary, multilingual teams facilitated case-finding, worker screening, and treatment. As the prevalence of HPAI A(H5N1) virus clade 2.3.4.4b genotype B3.13 increases, U.S. public health agencies should prepare to rapidly investigate and respond to illness in agricultural workers, including workers with limited access to health care.

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2024 年 7 月,科罗拉多州发生与两家设施的家禽接触有关的甲型 H5 流感病例群。
与感染高致病性禽流感 (HPAI) A(H5N1) 病毒的奶牛和家禽密切接触的人员受感染的风险增加。2024 年 7 月,科罗拉多州公共卫生与环境部对在两家家禽设施中检测到甲型 H5N1 高致病性禽流感病毒的家禽采取了应对措施。在这两家设施中,有 663 名协助清除家禽(即安乐死)的工人接受了疾病筛查;109 人(16.4%)报告了症状并同意接受检测。在接受检测的人员中,9 人(8.3%)的甲型 H5 流感病毒检测结果呈阳性,19 人(17.4%)的 SARS-CoV-2 检测结果呈阳性。9 名检测结果呈甲型 H5 流感阳性的工人均患有结膜炎,病情轻微,并接受了奥司他韦治疗。这次与家禽接触相关的人类甲型 H5 流感病例群是美国首次报告。这些病例的发现凸显了与受感染动物密切接触者面临的持续风险。利用多学科、多语言团队对每个设施的早期响应促进了病例发现、工人筛查和治疗。随着高致病性禽流感 A(H5N1)病毒 2.3.4.4b 支系基因型 B3.13 流行率的增加,美国公共卫生机构应做好准备,迅速调查和应对农业工人(包括医疗条件有限的工人)的疾病。
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来源期刊
MMWR. Morbidity and mortality weekly report
MMWR. Morbidity and mortality weekly report PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH -
CiteScore
65.40
自引率
0.90%
发文量
309
期刊介绍: The Morbidity and Mortality Weekly Report (MMWR ) series is prepared by the Centers for Disease Control and Prevention (CDC). Often called “the voice of CDC,” the MMWR series is the agency’s primary vehicle for scientific publication of timely, reliable, authoritative, accurate, objective, and useful public health information and recommendations. MMWR readership predominantly consists of physicians, nurses, public health practitioners, epidemiologists and other scientists, researchers, educators, and laboratorians.
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