{"title":"H5 和 H9 禽流感--对人类的潜在再发动物传染病威胁。","authors":"Gavin Dabrera","doi":"10.1097/QCO.0000000000001019","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose of review: </strong>This review aims to discuss the current state of human infections with Avian Influenza A (H5) and (H9) viruses, to support awareness of the global epidemiology among clinicians and public health professionals interested in emerging respiratory infections.</p><p><strong>Recent findings: </strong>Among increasing numbers of detections in avian species of Avian Influenza A(H5N1) clade 2.3.4.4b globally, reported human cases of severe infection have been rare.Enhanced surveillance of persons exposed to avian species infected with Influenza A (H5N1) clade 2.3.4.4b in different countries has identified small numbers of asymptomatic individuals with Avian Influenza A (H5N1) detected by PCR from the upper respiratory tract; some of these instances have been considered to represent contamination rather than infection.There have also been recent sporadic human cases of Avian Influenza A(H9N2) internationally, including in China and Cambodia.</p><p><strong>Summary: </strong>Human infections with Avian Influenza A(H5) and (H9) viruses remain of interest as an emerging infection both to clinicians and public health professionals. While maintaining effective surveillance is essential, one health strategies to control infection in avian species will be key to mitigating these risks.</p>","PeriodicalId":10880,"journal":{"name":"Current Opinion in Infectious Diseases","volume":null,"pages":null},"PeriodicalIF":3.6000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"H5 and H9 avian influenza - potential re-emergent zoonotic threats to humans.\",\"authors\":\"Gavin Dabrera\",\"doi\":\"10.1097/QCO.0000000000001019\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Purpose of review: </strong>This review aims to discuss the current state of human infections with Avian Influenza A (H5) and (H9) viruses, to support awareness of the global epidemiology among clinicians and public health professionals interested in emerging respiratory infections.</p><p><strong>Recent findings: </strong>Among increasing numbers of detections in avian species of Avian Influenza A(H5N1) clade 2.3.4.4b globally, reported human cases of severe infection have been rare.Enhanced surveillance of persons exposed to avian species infected with Influenza A (H5N1) clade 2.3.4.4b in different countries has identified small numbers of asymptomatic individuals with Avian Influenza A (H5N1) detected by PCR from the upper respiratory tract; some of these instances have been considered to represent contamination rather than infection.There have also been recent sporadic human cases of Avian Influenza A(H9N2) internationally, including in China and Cambodia.</p><p><strong>Summary: </strong>Human infections with Avian Influenza A(H5) and (H9) viruses remain of interest as an emerging infection both to clinicians and public health professionals. While maintaining effective surveillance is essential, one health strategies to control infection in avian species will be key to mitigating these risks.</p>\",\"PeriodicalId\":10880,\"journal\":{\"name\":\"Current Opinion in Infectious Diseases\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":3.6000,\"publicationDate\":\"2024-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Current Opinion in Infectious Diseases\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1097/QCO.0000000000001019\",\"RegionNum\":3,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/7/4 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q2\",\"JCRName\":\"INFECTIOUS DISEASES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Opinion in Infectious Diseases","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1097/QCO.0000000000001019","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/7/4 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
H5 and H9 avian influenza - potential re-emergent zoonotic threats to humans.
Purpose of review: This review aims to discuss the current state of human infections with Avian Influenza A (H5) and (H9) viruses, to support awareness of the global epidemiology among clinicians and public health professionals interested in emerging respiratory infections.
Recent findings: Among increasing numbers of detections in avian species of Avian Influenza A(H5N1) clade 2.3.4.4b globally, reported human cases of severe infection have been rare.Enhanced surveillance of persons exposed to avian species infected with Influenza A (H5N1) clade 2.3.4.4b in different countries has identified small numbers of asymptomatic individuals with Avian Influenza A (H5N1) detected by PCR from the upper respiratory tract; some of these instances have been considered to represent contamination rather than infection.There have also been recent sporadic human cases of Avian Influenza A(H9N2) internationally, including in China and Cambodia.
Summary: Human infections with Avian Influenza A(H5) and (H9) viruses remain of interest as an emerging infection both to clinicians and public health professionals. While maintaining effective surveillance is essential, one health strategies to control infection in avian species will be key to mitigating these risks.
期刊介绍：
This reader-friendly, bimonthly resource provides a powerful, broad-based perspective on the most important advances from throughout the world literature. Featuring renowned guest editors and focusing exclusively on two topics, every issue of Current Opinion in Infectious Disease delivers unvarnished, expert assessments of developments from the previous year. Insightful editorials and on-the-mark invited reviews cover key subjects such as HIV infection and AIDS; skin and soft tissue infections; respiratory infections; paediatric and neonatal infections; gastrointestinal infections; tropical and travel-associated diseases; and antimicrobial agents.
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