Highly Pathogenic Avian Influenza Viruses
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CDTR Week 1, 2-8 January 2022
www.ecdc.europa.euJan 08, 2022 · Highly pathogenic avian influenza viruses A(H5) of Asian origin are extremely infectious for several bird species, including poultry. In 2014, a novel avian influenza A(H5N6) reassortant causing a human infection was detected in China.€To date, only€sporadic human cases of avian influenza A(H5N6) virus infection have been reported, mainly
Influenza A is caused by specified viruses that are ...
www.oie.intH7 virus of low pathogenicity (H5/H7 low pathogenicity avian influenza [LPAI]) becoming highly pathogenic by mutation. Some avian influenza virus strains have caused sporadic zoonotic infections principally of H5, H7 and H9 subtypes and these three subtypes have been highlighted as potential pandemic risks should additional mutations
H5N1 avian influenza: Timeline of major events
www.who.int1996 Highly pathogenic H5N1 virus is isolated from a farmed goose in Guangdong Province, China. 1997 Outbreaks of highly pathogenic H5N1 are reported in poultry at farms and live animal markets in Hong Kong. Human infections with avian influenza H5N1 are reported in Hong Kong. Altogether, 18 cases (6 fatal) are reported
THE RESPIRATORY VIRUSES: INFLUENZA, RSV, AND …
www.columbia.eduInfluenza viruses Influenza viruses cause acute, usually self-limited febrile illnesses most often in the winter months. They belong to the orthomyxoviridae family and are classified into 3 distinct types- influenza A, influenza B and influenza C. Influenza A and B cause human disease with significant morbidity and mortality. Influenza C