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UK - HP H5N1 Bird flu identified at a wildbird rescue centre in Worcestershire

Shiloh

Editor, Senior Moderator
Source: https://www.gov.uk/government/news/...at-a-wildbird-rescue-centre-in-worcestershire


Avian influenza - Bird flu identified at a wildbird rescue centre in Worcestershire
The risk of public health from the virus is very low and poses a very low food safety risk for UK consumers
From:
Department for Environment, Food & Rural Affairs, Food Standards Agency, Animal and Plant Health Agency, and UK Health Security Agency
Published 26 October 2021

The UK Chief Veterinary Officer has confirmed a case of avian influenza (bird flu) at a wildbird rescue centre in Worcestershire today.

Wild birds migrating to the UK from mainland Europe during the winter months can carry the disease and this can lead to cases in poultry and other captive birds.

All birds on site will be humanely culled. A 3km and 10km temporary control zone has also been put in place around the infected premises to limit the risk of the disease spreading.

UK Health Security Agency advises that the risk to public health from the virus is very low and the Food Standards Agency has made clear that bird flu poses a very low food safety risk for UK consumers. The premises does not supply poultry, meat or eggs to the commercial food chain.

UK Chief Veterinary Officer Christine Middlemiss said:

H5N1 avian influenza has been confirmed at a wildbird rescue centre in Worcestershire. We have taken swift action to limit the spread of the disease and any birds at risk of infection will now be humanely culled.

UK Health Security Agency has confirmed that the risk to public health is very low and the Food Standards Agency has said that bird flu poses a very low risk to food safety for UK consumers.

As we move into the higher risk period over winter bird keepers should pay extra attention to the health of their birds. Anybody who suspects disease should report it to their vet or APHA immediately. The best way to tackle this disease is for poultry keepers to ensure that they have strong biosecurity measures in place...
 
Immediate notification
Highly pathogenic influenza A viruses (Inf. with)(non-poultry including wild birds)(2017-), United Kingdom

...
COUNTRY OR ZONE
ZONE

DISEASE
Highly pathogenic influenza A viruses (Inf. with)(non-poultry including wild birds)(2017-)

STARTED ON
14-10-2021

ANIMAL TYPE
TERRESTRIAL

GENOTYPE/ SEROTYPE/ SUBTYPE
H5N1

CONFIRMED ON
26-10-2021

REASON
Recurrence

CAUSAL AGENT
Highly pathogenic avian influenza virus

ENDED ON
-

DISEASE CATEGORY
OIE-listed

REPORTED ON
28-10-2021

LAST OCCURRENCE
26-07-2021
...
Epidemiology

SOURCE OF EVENT OR ORIGIN OF INFECTION
- Unknown or inconclusive


EPIDEMIOLOGICAL COMMENTS

On 24/10/2021 a Wild Bird Rescue Centre reported suspicion of notifiable avian disease in mute swans (Cygnus olor) and chickens kept at the premises. From 16/10/2021, at least 11 young swans and 14 (out of 17) chickens had died. There were 33 young and adult swans with clinical signs, of which six of the adults had neurological signs. Official samples were collected at the official veterinary visit and submitted for testing to APHA Weybridge. On 25/10/2021, Avian Influenza M gene, H5 and N1 viral antigens were detected in all but one of the samples submitted, including tissue post mortem samples. No antibodies to AI were detected. The clinical picture continued to deteriorate with more bird deaths. As of 26/10/2021, all birds at the affected Wild Bird Rescue Centre have been culled and sampling taken for the epidemiological enquiry. Preliminary cleaning and disinfection completed on 27/10/2021. A full epidemiological investigation is being carried out. Official zoning has been implemented around the affected site (comprising a 3km Protection Zone and a 10km Surveillance Zone), which have been temporarily implemented as a precautionary measure. This notification describes an event of HPAI in captive birds other than poultry. Therefore, and in accordance with Article 10.4.1 (4) of Chapter 10.4 of the OIE Terrestrial Animal Health Code: • This event does not affect the UK’s HPAI freedom status; and • Trading partners should not impose bans on the international trade of poultry commodities in response to this notification.
...

Outbreaks

ob_92008 - Wychavon

OUTBREAK REFERENCE
AIV 2021/07

STARTED ON
15-10-2021

EPIDEMIOLOGICAL UNIT
Other

DETAILED CHARACTERISATION
-

NUMBER OF OUTBREAKS
-

ENDED ON
-

AFFECTED POPULATION DESCRIPTION
Rescued wild swans (adults and young), rescued and captive geese, ducks and chickens.

APPROXIMATE LOCATION
Wychavon

FIRST ADMINISTRATIVE DIVISION
England

SECOND ADMINISTRATIVE DIVISION
Worcestershire

THIRD ADMINISTRATIVE DIVISION
Wychavon

GEOGRAPHIC COORDINATES
Lat : 52.29

Long : -2.12


SPECIES MEASURING UNIT SUSCEPTIBLE CASES DEATHS KILLED AND DISPOSED OF SLAUGHTERED/KILLED FOR COMMERCIAL USE VACCINATED
Birds NEW Animal 49 39 25 24 - -
TOTAL Animal 49 39 25 24 - -
- NEW Animal 49 39 25 24 - -
TOTAL Animal 49 39 25 24

...
https://wahis.oie.int/#/report-info?reportId=41774
 
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