Avian Influenza A(H5) Subtype in Wastewater - Oregon, September 15, 2021-July 11, 2024.

IF 17.3 1区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Rebecca Falender, Tyler S Radniecki, Christine Kelly, Paul Cieslak, David Mickle, Harrison Hall, Ryan Scholz, Melissa Sutton
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引用次数: 0

Abstract

Wastewater surveillance is an important tool in the surveillance of emerging pathogens and has been leveraged during the highly pathogenic avian influenza (HPAI) A(H5N1) virus outbreak in cattle and poultry in the United States. Interpretation of avian influenza A(H5) subtype detections in wastewater requires an understanding of human and animal contributors to the sewershed because current testing does not distinguish between human and animal sources. Potential animal contributors include wild birds, farms with poultry or dairy cattle outbreaks, and dairy processing facilities. Retrospective analysis of 551 influenza A virus-positive wastewater surveillance samples from 20 sites in Oregon during September 15, 2021-July 11, 2024, revealed 21 avian influenza A(H5) subtype detections across 12 communities. Avian influenza A(H5) subtype detections in wastewater began approximately 6 weeks before Oregon's first HPAI outbreak in domestic poultry, 7 weeks before Oregon's first avian influenza A(H5) detection in wild birds, and 2 years before the first HPAI A(H5N1) outbreak in dairy cattle in the United States (Oregon has not detected HPAI A(H5N1) in dairy cattle or milk). No association was found between detection of avian influenza A(H5) in a community's wastewater and history of an HPAI A(H5) outbreak among poultry in the county or presence of dairy processing facilities or dairy farms within the sewershed. Avian influenza A(H5) was detected most frequently in two communities with important wild bird habitats. Animal inputs, including from wild birds, should be considered when interpreting avian influenza A(H5) subtype detections in wastewater.

Abstract Image

Abstract Image

俄勒冈州废水中的禽流感A(H5)亚型,2021年9月15日- 2024年7月11日。
废水监测是监测新发病原体的重要工具,并在美国牛和家禽中爆发高致病性禽流感(HPAI) A(H5N1)病毒期间得到了利用。对污水中禽流感A(H5)亚型检测的解释需要了解下水道的人类和动物贡献者,因为目前的检测不能区分人类和动物来源。潜在的动物贡献者包括野生鸟类、有家禽或奶牛疫情的农场以及乳制品加工设施。对俄勒冈州20个监测点在2021年9月15日至2024年7月11日期间采集的551份甲型流感病毒阳性废水监测样本进行回顾性分析,发现在12个社区检测到21例甲型(H5)禽流感亚型。在俄勒冈州首次在家禽中发现高致病性禽流感(H5)亚型之前大约6周,在俄勒冈州首次在野生鸟类中发现甲型禽流感(H5)亚型之前7周,在美国首次在奶牛中发现高致病性禽流感(H5N1)暴发之前2年(俄勒冈州未在奶牛或牛奶中发现高致病性禽流感(H5N1))。未发现在社区废水中检测到甲型H5禽流感与该县家禽中爆发高致病性禽流感的历史或在下水道内存在乳制品加工设施或奶牛场之间存在关联。禽流感A(H5)最常见于两个具有重要野鸟栖息地的社区。在解释废水中的禽流感A(H5)亚型检测时,应考虑动物输入,包括来自野生鸟类的输入。
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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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