期刊
EMERGING INFECTIOUS DISEASES
卷 24, 期 12, 页码 2270-2283出版社
CENTERS DISEASE CONTROL & PREVENTION
DOI: 10.3201/eid2412.171860
关键词
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资金
- European Commission
- Department for Environment, Food and Rural Affairs, London through the EU reference laboratory
- National Institute of Allergy and Infectious Diseases (NIAID) [HHSN272201400008C]
- US Defense Threat Reduction Agency Broad Agency Announcement award [FRBAA09-6-2-0114]
We analyzed the highly pathogenic avian influenza (HPAI) H5 epizootic of 2016-17 in Europe by epidemiologic and genetic characteristics and compared it with 2 previous epizootics caused by the same H5 Guangdong lineage. The 2016-17 epizootic was the largest in Europe by number of countries and farms affected and greatest diversity of wild birds infected. We observed significant differences among the 3 epizootics regarding region affected, epidemic curve, seasonality, and outbreak duration, making it difficult to predict future HPAI epizootics. However, we know that in 2005-06 and 2016-17 the initial peak of wild bird detections preceded the peak of poultry outbreaks within Europe. Phylogenetic analysis of 2016-17 viruses indicates 2 main pathways into Europe. Our findings highlight the need for global surveillance of viral changes to inform disease preparedness, detection, and control.
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