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The European Centre for Disease Control and Prevention recently released a report that the largest avian influenza outbreak
on record in Europe has occurred.
Relevant departments have strengthened the detection and prevention and control of the epidemic, especially emphasizing the need to strengthen occupational protection
for workers in contact with animals.
on record in Europe has occurred.
Relevant departments have strengthened the detection and prevention and control of the epidemic, especially emphasizing the need to strengthen occupational protection
for workers in contact with animals.
The 2021-2022 highly pathogenic avian influenza season is the largest observed in Europe to date
, the report said.
Data from the European Food Safety Authority, the European Centre for Disease Prevention and Control and the EU Reference Laboratory for Avian Influenza show that 2,467 poultry outbreaks were detected and 48 million birds culled during this period; 187 outbreaks were detected in captive birds and 3573 in
wild birds.
, the report said.
Data from the European Food Safety Authority, the European Centre for Disease Prevention and Control and the EU Reference Laboratory for Avian Influenza show that 2,467 poultry outbreaks were detected and 48 million birds culled during this period; 187 outbreaks were detected in captive birds and 3573 in
wild birds.
In terms of spatial distribution, the report notes that the recent outbreak has affected an "unprecedented geographical area", affecting 37 European countries
, from the Norwegian Arctic to southern Portugal.
, from the Norwegian Arctic to southern Portugal.
In terms of time comparison, from June to August this year, the detection of highly pathogenic avian influenza viruses in wild birds in EU countries reached an all-time high; Between June and September this year, there were five times
more poultry farms with outbreaks than in the same period last year.
more poultry farms with outbreaks than in the same period last year.
The analysis showed that the avian influenza virus currently circulating in Europe belongs to clade 2.
3.
4.
4b, and seven genotypes
of viruses have been identified.
In particular, the highly pathogenic avian influenza virus H5N1 has spread beyond poultry and has been detected in red foxes in Belgium and Norway and harbour porpoises in Sweden
.
This is the first time that the H5N1 virus
has been detected in harbour porpoises in Sweden.
The European Centre for Disease Prevention and Control also mentions that the virus
has also been detected for the first time in bottlenose dolphins in the United States and American black bears in Canada.
3.
4.
4b, and seven genotypes
of viruses have been identified.
In particular, the highly pathogenic avian influenza virus H5N1 has spread beyond poultry and has been detected in red foxes in Belgium and Norway and harbour porpoises in Sweden
.
This is the first time that the H5N1 virus
has been detected in harbour porpoises in Sweden.
The European Centre for Disease Prevention and Control also mentions that the virus
has also been detected for the first time in bottlenose dolphins in the United States and American black bears in Canada.
In the face of an unprecedented outbreak, European institutions have strengthened surveillance and prevention and control measures
.
Saez, a senior official at the European Food Safety Authority, said recently that as bird migrations begin in autumn and the number of wild birds wintering in Europe increases, the risk of bird flu transmission may be higher
than in previous years.
The agency recommends rapid implementation of surveillance measures for early detection of the virus
.
.
Saez, a senior official at the European Food Safety Authority, said recently that as bird migrations begin in autumn and the number of wild birds wintering in Europe increases, the risk of bird flu transmission may be higher
than in previous years.
The agency recommends rapid implementation of surveillance measures for early detection of the virus
.
The Swedish Agricultural Agency has set up surveillance systems in areas at increased risk of avian influenza and will set up restricted areas
around affected farms in the event of a larger infection.
The bureau recently warned that some areas of Sweden will be at higher risk due to the migration of wild birds, usually from early November to late spring, during which time vigilance
should be exercised.
The Department of Agriculture will also conduct a risk assessment with the Swedish National Veterinary Institute to identify high-risk areas and track avian influenza developments in other European countries in real time to respond quickly to new situations
.
around affected farms in the event of a larger infection.
The bureau recently warned that some areas of Sweden will be at higher risk due to the migration of wild birds, usually from early November to late spring, during which time vigilance
should be exercised.
The Department of Agriculture will also conduct a risk assessment with the Swedish National Veterinary Institute to identify high-risk areas and track avian influenza developments in other European countries in real time to respond quickly to new situations
.
According to European media reports, the Netherlands and France have begun to test relevant vaccines for the avian influenza epidemic, but there are still doubts
about the effectiveness of vaccines.
about the effectiveness of vaccines.
The European Centre for Disease Control and Prevention reported that although no human cases of avian influenza virus have been detected in Europe in recent years, relevant people should pay attention to strengthening protection
.
The Centre has issued new guidelines highlighting the importance of
occupational safety and health measures in workplaces where contact with animals cannot be avoided.
These measures include proper ventilation, separation of work clothes and personal clothing, and protection against contamination of workers' homes
.
.
The Centre has issued new guidelines highlighting the importance of
occupational safety and health measures in workplaces where contact with animals cannot be avoided.
These measures include proper ventilation, separation of work clothes and personal clothing, and protection against contamination of workers' homes
.
The guidance emphasizes that early identification of transmission events is critical
.
Public health professionals and clinicians need to be aware of the need for testing
when admitting patients at associated risk.
.
Public health professionals and clinicians need to be aware of the need for testing
when admitting patients at associated risk.
