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New and ongoing outbreaks in non-poultry, including wild birds 17 April – 7 May, 2020) In this period, no new outbreaks were notified in non-poultry. Avian influenza is an infectious viral disease in birds, including domestic poultry. Learn how to avoid this flu. Japan has been hit by a major avian influenza outbreak, particularly in the west of the country. 23 December 2020. In 2016/2017, highly pathogenic avian influenza (HPAI) virus of the subtype H5 spilled over into wild birds and caused the largest known HPAI epidemic in Europe, affecting poultry and wild birds. Avian influenza is mainly found in birds, but under certain circumstances infections can also occur in humans even though the risk is generally very low. 3 Nov 2020 . For the past decade, a strain in Asia, Europe, and Africa (H5N1) has infected humans and caused a number of deaths. Any of these commodities originating from or transiting through Croatia are prohibited, based on the diagnosis of highly pathogenic avian influenza in domestic birds. Highly pathogenic avian influenza viruses (HPAIVs) have devastating impacts on the poultry industries. Between Jan. 15, 2021, and Feb. 4, 2021, 410 new highly pathogenic avian influenza (HPAI) outbreaks in domestic birds and 233 new outbreaks in non-poultry were reported in Asia, Europe … In its latest overview of the HPAI situation in Europe (as of April 12), European Reference Lab for avian influenza, IZSVe highlights that the number of outbreaks since October of last year has produced three distinct waves in terms of outbreaks numbers. Press Release Global Avian Influenza Vaccines Market 2020 Research Strategies, Trend and Future Development Status, Forecast by 2025 Published: March 2, 2021 at 11:01 a.m. General information on poultry health and Avian Influenza. wild birds. These viruses are globally widespread in aquatic birds (from the orders Anseriformes and Charadriiformes) such as shorebirds and waterfowl and are highly contagious. The detection of the virus in Brandenburg is the first and, so far, the only officially confirmed case of avian influenza in Germany in 2020. Updated the 'Avian Influenza Prevention Zone' section - added guidance on biosecurity and housing requirements for chicken, turkey, … The recent outbreaks of the avian influenza subtype H5N8 in three European countries had substantial economic effects for poultry farms. A smaller cull occurred at a farm in Kent, in the south-east, where the H5N2 avian influenza strain was detected last week. The outbreak was linked to chickens. 1999) and sparked global concerns due to their high pathogenicity in poultry and high fatality rate in humans.As of August 2020, a total of 863 human infection with 455 deaths, for a case fatality rate … reassortant virus which has emerged in EurAsia before reaching the EU countries: similarity at HA, NE gene segment with a virus collected in Nigeria in 2019 and with the In addition to seasonal epidemics, influenza pandemics can occur when a new influenza virus subtype emerges or when an animal influenza virus begins to spread among humans. The new report, compiled by the European Food Safety Authority (EFSA), the European Centre for Disease Prevention and Control (ECDC) and the European Union Reference Laboratory for Avian Influenza, covers the period from May to August 2020. 1. Avian influenza viruses are RNA viruses with a lipid envelope which is susceptible to inactivation by most common disinfectants. Avian Influenza and Biosecurity – 2020. Nine outbreaks of H5N8 HPAI have been reported in Poland (OIE, 2020). Highly pathogenic avian influenza viruses of the H5N8 and H5N1 subtypes were first detected in the Netherlands in October 2020 by scientists from Wageningen Bio-veterinary Research in Lelystad and Erasmus MC in Rotterdam. 30 December, 2020. A 1km Low Pathogenic Avian Influenza (LPAI) restricted zone was put in … Map below : H5N1 Outbreaks in 2005 and Major Flyways of Migratory Birds. Influenza A(H5N8) viruses isolated from this poultry outbreak in Astrakhan belonged to clade 2.3.4.4b of avian influenza A(H5Nx) viruses. Summary: As of 22 November 2020, a highly pathogenic avian influenza (HPAI) H5N8 outbreak in wild birds and poultry has been reported in 12 countries, mainly in western Europe. The region is on the autumn migration route for wild water birds heading to Europe. This is the last weekly update of the influenza season and updates during the interseason period (weeks 21-39) will be on a monthly basis. According to OIE, since our last report, a total of 148 HPAI H5 outbreaks have been reported on poultry premises across Europe (Table 4), (Map 2). The swans were diagnostically tested as part of the wild bird surveillance program for avian influenza virus. 04/11/2020 – On 2 November 2020, the British Veterinary Authorities confirmed an outbreak of low pathogenic avian influenza (LPAI) of the subtype H5N2 in a poultry farm. First new arrivals of highly pathogenic avian influenza H5 in the 2020-2021 winter in Europe. EMPRES Watch: H5N8 highly pathogenic avian influenza (HPAI) of clade 2.3.4.4 detected through surveillance of wild migratory birds in the Tyva Republic, the Russian Federation – potential for international spread. The first HPAI epidemic season started on 31 December 2019, with the first outbreak in poultry confirmed in Poland. Summary: As of 22 November 2020, a highly pathogenic avian influenza (HPAI) H5N8 outbreak in wild birds and poultry has been reported in 12 countries, mainly in western Europe. Map 2: HPAI outbreaks (from OIE) in poultry, captive and wild birds across Europe, November 2020 to 17 May 2021. Avian influenza vaccines market is expected to gain market growth at a potential rate of 16.34% in the forecast period of 2020 to 2027. These viruses occur naturally among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species. With infections in poultry, H5 and H7 low-pathogenicity avian influenza viruses (LPAIVs) have spontaneously mutated into HPAIVs by different mechanisms, one of which is acquisition of basic amino acids at the hemagglutinin (HA) cleavage site . Support is currently provided through USAID’s Global Health Security and Development program, which seeks to reduce the risk of human exposure by reducing infections in poultry. Since the start of winter 2020-2021, outbreaks of highly pathogenic avian influenza (HPAI) have been widespread in Europe, particularly in northern and … ET Avian influenza, known informally as avian flu or bird flu, is a variety of influenza caused by viruses adapted to birds. Avian Influenza Alert No. CDC reports first pediatric flu death of the new flu season. Avian influenza vaccines market is expected to gain market growth at a potential rate of 16.34% in the forecast period of 2020 to 2027. Avian influenza A(H5N8) ... New data reveals significant gaps in influenza immunization of those who need it most in Europe 15-12-2020. WHO set a target in 2003 that 75% of elderly people should be vaccinated against influenza each year. Avian Influenza: 13/02/2020 1. It was called avian influenza (H5N1). On 16 November 2020, the Danish Veterinary and Food Administration (DVFA) reported the first finding of the highly pathogenic avian influenza (HPAI) virus on a commercial poultry farm.. The first avian influenza in humans was reported in Hong Kong in 1997. As of today’s date (21/12/2020) 12 countries in Europe have confirmed cases of the disease in poultry and/or wild birds, including the United Kingdom and Republic of Ireland; between 6 November 2020 and 24 December 2020, avian influenza H5N8 has been detected in a total of 16 birds (in 14 separate events) in the Republic of Ireland. References. On 20 October, Wageningen Bioveterinary Research (WBVR) tested two dead mute swans positive for highly pathogenic H5N8 avian influenza. It remains a global disease with potential high consequence with the potential to threaten wildlife, agriculture, and human health. World Health Organization (2020), Cumulative number of confirmed human cases for avian influenza A(H5N1) reported to WHO, 2003-2020, 28 February 2020 … ... Avian influenza is a notifiable disease listed by the OIE. During 2020, two distinct epidemic seasons of highly pathogenic avian influenza (HPAI) were observed in the European Union. Humans and other animals have always been battling viruses, especially those that cause emerging and re-emerging infectious diseases. The World Organisation for Animal Health (OIE) reports ongoing outbreaks of highly pathogenic avian influenza (HPAI), or bird flu, in 26 countries across Asia, Europe, and the Middle East. A 3km Protection and 10km Highly pathogenic avian influenza viruses of the H5N8 and H5N1 subtypes were detected in the Netherlands in October 2020. The deaths come amid an outbreak of a new strain of avian flu, H5N8, which has already led to the culling of thousands of birds across Europe. FOCUS ON, No. In the evening 29 January, 2020, low-pathogenic avian influenza H5N1 was confirmed in a commercial poultry holding with organic laying hens, located near the town of Sæderup in the municipality of Aalborg in the Northern part of Jutland. Europe Figure 2. We report detection of a highly pathogenic avian influenza A(H5N8) clade 2.3.4.4b virus in Europe. Avian influenza is a viral disease caused by various strains of avian influenza viruses that can be classified as low pathogenic avian influenza (LPAI) or highly pathogenic avian influenza (HPAI). On October 17, 2020, two mute swans (Cygnus olor) were found dead in the province of Utrecht, the Neth-erlands. Added the 7 January 2020 update. Europe: Kazakhstan and Russia reported 9 outbreaks (H5, H5N8) in poultry. Avian Influenza in Europe. New avian influenza’s rapid spread to Europe threatens poultry sector especially in low-resourced countries; About Avian influenza Avian influenza outbreaks hit farms in Japan, Europe. New and ongoing outbreaks in poultry (13 November – 04 December, 2020) In this period, 55 new outbreaks (red dots on the map) were notified in poultry, in 13 countries in Asia and Europe. Avian bird flu detected in Denmark, Belgium. Europe: More than 500 avian influenza detections, Most in Germany ... Russia and Kazakhstan since May 2020. Recently, in spring 2020, a novel incursion of a genetically distinct HPAI clade 2.3.4.4b H5N8 virus caused another epidemic in Europe, which affected a small number of poultry holdings, one zoo and two wild birds throughout Germany. Highly pathogenic avian influenza in wild birds in 2020 Published on October 22, 2020. Introduction. Avian influenza A (H5N1) viruses are entrenched among poultry in parts of Asia and Africa and continue to cause disease with high mortality in humans. 258 of 287 poultry outbreaks detected in Europe … Disease report . The type with the greatest risk is highly pathogenic avian influenza (HPAI).Bird flu is similar to swine flu, dog flu, horse flu and human flu as an illness caused by strains of influenza viruses that have adapted to a specific host. AI viruses constantly evolve by mutation and re-assortment with the emergence of new subtypes causing significant Increasing awareness among the people regarding the availability as well as benefits of avian influenza vaccines which will help in boosting the growth of the market. Avian influenza vaccines market is expected to gain market growth at a potential rate of 16.34% in the forecast period of 2020 to 2027. Added update 8 (14 January 2020) for Highly pathogenic avian influenza in Europe. The DVFA states that the recent HPAI finding means exports of poultry and eggs to certain non-EU countries will be halted for at least three months. . Pathogen information updated to reflect latest results. Wild birds migrating westward from mainland Europe during the winter period can spread the disease to poultry and other captive birds. Editorial 15 December 2020 0 Comment 0 331 The World Organization for Animal Health (OIE) has confirmed the outbreak of highly pathogenic avian influenza in southern Ukraine. Between 16 May and 15 August 2020, seven highly pathogenic avian influenza (HPAI) A(H5N8) virus outbreaks were reported in Europe in poultry, with … (a) Case counts of all HPAIV H5 reports in Germany retrieved from the German animal disease notification system (Tierseuchen-Nachrichtensystem, TSN, accessed 26.05.2020) with added wild bird cases from the German National Reference Laboratory for Avian Influenza, 2006–2020. The emergence and global spread of the highly pathogenic H5N8 avian influenza virus (AIV), a pathogen that has caused continuous and ongoing outbreaks with massive mortality in both wild and farmed birds across Eurasia and Africa throughout 2020, represents a considerable public health concern — particularly considering the first human cases of H5N8 infection were first reported last … Therefore, contact with bird droppings is also a possible transmission route. HPAI can spread rapidly and kill entire flocks. However, the UK has robust biosecurity measures and monitoring in place to prevent the disease spreading in this country and the risk of transmission of avian influenza viruses to the general public in Europe remains very low. 1 Influenza at the human-animal interface Summary and assessment, from 26 November 2019 to 20 January 2020 • New infections1: Since the previous update on 25 November 2019, no new human infections with avian or swine influenza were reported. 07 January 2020 Ref: VITT/1200 HPAI in Poland . Influenza. During its spread, the virus frequently exchanged genetic material (reassortment) with cocirculating low-pathogenic avian influenza viruses. 26 July 2019. Avian Influenza and Biosecurity – 2020 Published on April 15, 2020 April 15, 2020 by RONALD P KEAN Recently, there has been an outbreak of avian influenza (AI) in turkey flocks in the southeastern United States. A smaller cull is under way at a farm in Kent, in the south-east, where the H5N2 avian influenza strain was detected this week. EFSA - Avian influenza overview December 2020 – February 2021 Avian influenza is a highly contagious viral disease that occurs primarily in poultry and wild water birds. Around 1,000 detections of highly pathogenic avian influenza (HPAI) were reported in 25 EU/EEA countries and the UK between 8 December 2020 and 23 February 2021, according to the latest overview of HPAI in Europe.. As winter sets in in Europe and Eurasia, millions of migratory birds head south into Africa; this raises concern that the ongoing and spreading epizootic of avian influenza A type H5N8 may be reaching African shores, if not already the case. The FAO/CMS-led Scientific Task Force on Avian Influenza and Wild Birds issued a statement on 12 February 2021: H5N8 (and other subtypes) Highly Pathogenic Avian Influenza in poultry and wild birds - Winter of 2020/2021 with focus on management of protected areas … Added the 19 July 2019 update. On 16 November 2020, the Danish Veterinary and Food Administration (DVFA) reported the first finding of the highly pathogenic avian influenza (HPAI) virus on a commercial poultry farm.. 26 The introduction of highly pathogenic avian influenza ( HPAI) H5 clade 2.3.4.4 viruses in Europe . Between 16 February and 15 May 2020, 290highly pathogenic avian influenza (HPAI) A(H5) virus outbreakswere reported in Europe in poultry … Home > Infectious diseases > Infectious Diseases 2020 > Avian Influenza in Europe. The type with the greatest risk is highly pathogenic avian influenza (HPAI).Bird flu is similar to swine flu, dog flu, horse flu and human flu as an illness caused by strains of influenza viruses that have adapted to a specific host. Europe: More than 500 avian influenza detections, Most in Germany ... Russia and Kazakhstan since May 2020. We ask for a sympathetic consideration of the points explained. Even if the transmission from animals to humans can happen, human infection risk remains very low for the general population and moderately low for occupationally exposed people. Number of highly pathogenic avian influenza positive events by country and poultry category. Influenza is an acute viral infection that spreads easily from person to person in any age group and that can cause serious complications in certain risk groups. The global Avian Influenza Vaccines market is valued at 108.7 million US$ in 2020 is expected to reach 128.6 million US$ by the end of 2026, growing at a CAGR of 2.4% during 2021-2026. 4 Nov 2020 . The disease is not believed to pose a threat to humans, and there is currently no suggestion it could impact poultry supply chains. Avian influenza A(H5N8) ... New data reveals significant gaps in influenza immunization of those who need it most in Europe 15-12-2020. WHO set a target in 2003 that 75% of elderly people should be vaccinated against influenza each year. Hundreds of people have become sick with this virus. 11 February 2020 Article: 54/603 The European Centre for Disease Prevention and Control (ECDC) reports that, since the beginning of January 2020, outbreaks of high pathogenic A(H5N8) and low pathogenic A(H5N1) avian influenza viruses have been recorded in the central-eastern region of Europe. Northern European countries have been predominantly affected. As of week 12/2021, only 758 influenza detections across the WHO European Region had been reported to The European Surveillance System (TESSy); 50% type A viruses, with A(H3N2) and A(H1N1)pdm09 being equally represented, and 50% type B viruses, with only 12 having been ascribed to a lineage, 10 B/Victoria and two B/Yamagata. Latest situation updated to reflect two unrelated confirmed cases of avian influenza in England and increasing reports of avian influenza affecting flocks in mainland Europe. Though flu activity in the United States remains well below expected levels for this time of year, the Centers for Disease Control and Prevention (CDC) today reported the first pediatric flu death of the 2020-21 season, a child who died from influenza … Avian influenza, known informally as avian flu or bird flu, is a variety of influenza caused by viruses adapted to birds. Highly pathogenic avian influenza viruses of the subtype H5N1 have caused mortalities in domestic birds in Asia, Europe, and Africa, and … During the 2020/2021 season, since the first case confirmed in November 2020 at … Read also : The poultry sector is reorganizing to avoid a new avian epidemic Measures lifted across the country Since then there have been human cases of avian influenza A in Asia, Africa, Europe, Indonesia, Vietnam, the Pacific, and the Near East. We hypothesized that the wide dissemination of the 2016 H5N8 virus resulted at least partly from a change in tissue tropism from the respiratory tract, … Swab samples from the trachea and cloaca were Between 16 May and 15 August 2020, seven highly pathogenic avian influenza (HPAI) A(H5N8) virus outbreaks were reported in Europe in poultry, with one outbreak reported in Bulgaria (n=1) and six in Hungary (n=6) and one low pathogenic avian influenza (LPAI) A(H5N3) virus outbreak was reported in poultry in Italy. and Europe – 10 November 2020 FSA Avian influenza overview May – August 2020 WHO Vaccine Composition Meeting Report – October 2020 FAO Focus On: 2016–2018 Spread of H5N8 highly pathogenic avian influenza (HPAI) in sub-Saharan Africa: epidemiological and ecological observations. 2020-21 BMSB Seasonal Measures. In its previous overview, the European Food Safety Authority (EFSA) warned that highly pathogenic avian influenza (HPAI) could spread quickly to western Europe following outbreaks among wild and domestic birds in western Russia and Kazakhstan this summer. Influenza A(H5N8) viruses isolated from this poultry outbreak in Astrakhan belonged to clade 2.3.4.4b of avian influenza A(H5Nx) viruses. . It is well-known that at the moment there is a widespread outbreak of avian influenza in Europe, which was first confirmed in October 2020. Increasing awareness among the people regarding the availability as well as benefits of avian influenza vaccines which will help in … The majority of the 1,022 detections – 592 – were reported in domestic poultry, with wild and captive birds making up the rest. HPAI H5N8- Europe • Germany reported its first outbreak of HPAI H5N8 in 2020 on the 07 February in a backyard poultry holding with 49 hens, 6 ducks, 2 geese, 3 pheasants. Recently, there has been an outbreak of avian influenza (AI) in turkey flocks in the southeastern United States. Low pathogenic avian influenza A(H9N2) viruses are enzootic in poultry in many countries in Africa, Asia, the Middle East, and Europe. In January 2020, the subclade 2.3.4.4h of highly pathogenic avian influenza (H5N6) virus infected migratory whooper swans and mute swans in Xinjiang, western China. Influenza virus is an orthomyxovirus—an enveloped, segmented, negative-sense RNA virus. (a) Case counts of all HPAIV H5 reports in Germany retrieved from the German animal disease notification system (Tierseuchen-Nachrichtensystem, TSN, accessed 26.05.2020) with added wild bird cases from the German National Reference Laboratory for Avian Influenza, 2006–2020. H5N8 has been detected in migratory birds from Russia. KEYWORDS Clade 2.2, Clade 2.3.4.4, highly pathogenic avian influenza viruses, HPAIV, reassortment, French open-air poultry farmers will once again be able to let their animals out, the government having reduced Friday to “negligible»The level of risk associated with avian influenza, according to the Official Journal. In its previous overview, the European Food Safety Authority (EFSA) warned that highly pathogenic avian influenza (HPAI) could spread quickly to western Europe following outbreaks among wild and domestic birds in western Russia and Kazakhstan this summer. . This outbreak represents the first incursion of H5N8 into western Europe this year. October 2020 Summary Avian Influenza (‘bird flu’) is a viral disease of birds with naturally occurring avian influenza Type A viruses. The total ongoing HPAI outbreaks worldwide is 138 (blue dots on the map). This outbreak was caused by the influenza A virus H5N8, a known HPAIV. eastern Europe, Germany, and Bulgaria in the first half of 2020 (8,9). As of November 19 at 12 pm, testing of birds in Europe has found HPAI viruses 302 times. The first new arrivals of H5 highly pathogenic avian influenza (HPAI) viruses in the 2020-2021 winter in Europe have been detected. The bird flu, also called avian influenza, has been detected in Europe’s largest poultry producers… from Zero Hedge. Update 4 December 2020: Highly pathogenic avian influenza (HPAI) H5N8 has been confirmed in rearing turkeys at a premises near Attleborough, Breckland, Norfolk. Peaks were in week 47 of 2020, as well as weeks two and 10 of this year. This is the first report of H5N8 HPAI in Europe this winter season, with the last reported outbreak in 2019 occurring in Bulgaria, in April (OIE, 2019). This virus was generated by reassortment between H5N8 subtype virus from sub-Saharan Africa and low pathogenicity avian influenza viruses from Eurasia. Four different genotypes, generated through … Between 15 August and 7 December 2020, 561highly pathogenic avian influenza (HPAI) virus detections were reported in 15EU/EEA countries and UK in wild birds, poultry andcaptive birds, with Germany (n=370), Denmark (n=65), the Netherlands (n=57) being the most affected countries.The majority of the detections have been reported in wild birds(n=510), primarily in barnacle goose, greylag … Pathogen information updated to reflect latest results. The most common flu shot for the 2020-2021 influenza season in the Northern Hemisphere are quadrivalent vaccines that protect people against four viruses: influenza A (H1N1) virus, influenza A (H3N2) virus, and two influenza B viruses, said the CDC on August 21, 2020. Numbers of cases are divided into total, wild bird and poultry reports. With infections in poultry, H5 and H7 low-pathogenicity avian influenza viruses (LPAIVs) have spontaneously mutated into HPAIVs by different mechanisms, one of which is acquisition of basic amino acids at the hemagglutinin (HA) cleavage site . For several years now, Avian Influenza has been a major concern for many countries in the world, primarily due to its disastrous effect on the poultry industry but also for their potential of causing human infections (certain strains). The U.S. Environmental Protection Agency has a published list of disinfectants with labeled claims to be effective against Avian Influenza: The unprotected virus is fairly fragile in the environment. ... H5N8 in China, Europe, Japan, North America, South Korea and Taiwan. Avian influenza (H5N2 strain) was confirmed on Monday 2 November 2020 in a small commercial poultry farm in Kent and the birds were culled. The DVFA states that the recent HPAI finding means exports of poultry and eggs to certain non-EU countries will be halted for at least three months. As a result of this activity, the number of Highly Since the late 1990s when the first human infections with avian influenza A(H9N2) virus were identified, detection of this virus has been reported infrequently in humans and in swine and other mammals. HPAI in EU in Jan-Sept 2020 Phylogenetic analysis of HPAI H5N8 virus The 2020 H5N8 HPAI virus: different from the previous viruses that circulated in Europe. Avian influenza vaccines market is expected to gain market growth at a potential rate of 16.34% in the forecast period of 2020 to 2027. Country: Wild birds: Domestic poultry: Captive birds: Total: In total, the species identified are seventy-one (n=71), belonging to 13 Orders. Though flu activity in the United States remains well below expected levels for this time of year, the Centers for Disease Control and Prevention (CDC) today reported the first pediatric flu death of the 2020-21 season, a child who died from influenza … The alert is included in the latest update on avian influenza in Europe and beyond. H5N1 and its genetic reassortants (including H5N2, H5N5, H5N6, and H5N8) have been found to cause thousands of … The wild bird species that tested positive for Highly Pathogenic Avian Influenza (HPAI) virus in the epidemic season that began in October 2020 in Europe are listed in Table 1. 3 Nov 2020 Avian flu viruses do not normally infect humans. 10 January 2020. See Avian influenza strain calls for flock protection. Oct 2020 update - HPAI situation | H5N8 . National Avian Influenza Prevention Zone (AIPZ) declared – 11 November 2020. Birds shed influenza virus in their feces. Latest situation updated to reflect two unrelated confirmed cases of avian influenza in England and increasing reports of avian influenza affecting flocks in mainland Europe. In 2016–2017, Europe was hit hard by an unprecedented wave of highly pathogenic avian influenza (HPAI) A(H5N8) outbreaks that had severe socioeconomic effects on poultry production, global trade, and human livelihoods . Germany had a case in a wild water bird and Slovakia We maintain our EU production forecasts for now, expecting production growth in 2021 across most of … H5N8 subtype highly pathogenic avian influenza reaches China: The highly contagious strain of the H5 variant is on a rapid rise in Asia and Europe: Millions of birds are being killed as bird flu explodes across Europe and Asia Between 16 February and 15 May 2020, 290highly pathogenic avian influenza (HPAI) A(H5) virus outbreakswere reported in Europe in poultry (n=287), captive birds (n=2) and wild birds (n=1)in Bulgaria, Czechia,Germany,Hungary andPolandand two low pathogenic avian influenza (LPAI) A(H7N1) virus outbreaks were reported in poultry in Italy. The virus is lethal to chickens and ducks but has low pathogenicity in mice. ... Good biosecurity practices are the key to preventing the spread of avian influenza in poultry species and are critical in combating any incursion. The hens will also flock to the terraces. Since the detection of the highly pathogenic avian influenza virus H5N8 in two swans in the Netherlands on October 23, 2020, the number of cases in wildlife in Europe has been increasing steadily.