Information received on 03/12/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Summary
Report type Follow-up report No. 3
Date of start of the event 24/10/2020
Date of confirmation of the event 02/11/2020
Report date 03/12/2020
Date submitted to OIE 03/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 06/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (03/11/2020)
Follow-up report No. 1 (10/11/2020)
Follow-up report No. 2 (12/11/2020)
Follow-up report No. 3 (03/12/2020)
New outbreaks (2)
Outbreak 1 (AIV 2020/05) Melton Mowbray, Leicestershire, England
Date of start of the outbreak 18/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 96 37 37 22 0
Chaffinch:Fringilla coelebs(Fringillidae) 18 0 0 18 0
Island Canary:Serinus canaria(Fringillidae) 7 0 0 7 0
Northern Bobwhite:Colinus virginianus(Odontophoridae) 5 0 0 5 0
Indian Peafowl:Pavo cristatus(Phasianidae) 6 0 0 6 0
Blue-and-yellow Macaw:Ara ararauna(Psittacidae) 1 0 0 1 0
Budgerigar:Melopsittacus undulatus(Psittacidae) 12 0 0 12 0
Cockatiel:Nymphicus hollandicus(Psittacidae) 2 0 0 2 0
Black Swan:Cygnus atratus(Anatidae) 1 0 0 1 0
Emu:Dromaius novaehollandiae(Dromaiidae) 2 0 0 2 0
Japanese Quail:Coturnix japonica(Phasianidae) 15 0 0 15 0
Parakeet:Arantiga auricapillus(Psittacidae) 2 0 0 2 0
Hahn Macaw:Diopsittaca nobilis(Psittacidae) 1 0 0 1 0
Silver pheasant:Lophura nycthemera(Phasianidae) 3 0 0 3 0
Affected population Domestic birds affected: 47 chickens, 17 ducks, 8 geese, 4 guinea fowl and 20 turkey. + 1 black swan, 1 blue and gold macaw, 12 budgerigar, 7 canary, 18 finch – zebra, 1 Hahn macaw, 2 Parakeet, 6 peacock, 3 silver pheasants, 15 Japanese painted quail, 5 Bob white quails, 2 emus and 2 cockatiels.
Outbreak 2 (AIV 2020/06) Northallerton, Hambleton, England
Date of start of the outbreak 26/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10500 4758 4758 150 0
Affected population Turkey fattening premises
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10596 4795 4795 172 0
Chaffinch:Fringilla coelebs(Fringillidae) 18 0 0 18 0
Island Canary:Serinus canaria(Fringillidae) 7 0 0 7 0
Northern Bobwhite:Colinus virginianus(Odontophoridae) 5 0 0 5 0
Indian Peafowl:Pavo cristatus(Phasianidae) 6 0 0 6 0
Blue-and-yellow Macaw:Ara ararauna(Psittacidae) 1 0 0 1 0
Budgerigar:Melopsittacus undulatus(Psittacidae) 12 0 0 12 0
Cockatiel:Nymphicus hollandicus(Psittacidae) 2 0 0 2 0
Black Swan:Cygnus atratus(Anatidae) 1 0 0 1 0
Emu:Dromaius novaehollandiae(Dromaiidae) 2 0 0 2 0
Japanese Quail:Coturnix japonica(Phasianidae) 15 0 0 15 0
Parakeet:Arantiga auricapillus(Psittacidae) 2 0 0 2 0
Hahn Macaw:Diopsittaca nobilis(Psittacidae) 1 0 0 1 0
Silver pheasant:Lophura nycthemera(Phasianidae) 3 0 0 3 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 45.25% 45.25% 100.00% 46.88%
Chaffinch:Fringilla coelebs(Fringillidae) 0.00% 0.00% - 100.00%
Island Canary:Serinus canaria(Fringillidae) 0.00% 0.00% - 100.00%
Northern Bobwhite:Colinus virginianus(Odontophoridae) 0.00% 0.00% - 100.00%
Indian Peafowl:Pavo cristatus(Phasianidae) 0.00% 0.00% - 100.00%
Blue-and-yellow Macaw:Ara ararauna(Psittacidae) 0.00% 0.00% - 100.00%
Budgerigar:Melopsittacus undulatus(Psittacidae) 0.00% 0.00% - 100.00%
Cockatiel:Nymphicus hollandicus(Psittacidae) 0.00% 0.00% - 100.00%
Black Swan:Cygnus atratus(Anatidae) 0.00% 0.00% - 100.00%
Emu:Dromaius novaehollandiae(Dromaiidae) 0.00% 0.00% - 100.00%
Japanese Quail:Coturnix japonica(Phasianidae) 0.00% 0.00% - 100.00%
Parakeet:Arantiga auricapillus(Psittacidae) 0.00% 0.00% - 100.00%
Hahn Macaw:Diopsittaca nobilis(Psittacidae) 0.00% 0.00% - 100.00%
Silver pheasant:Lophura nycthemera(Phasianidae) 0.00% 0.00% - 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive
Epidemiological comments Epidemiological investigation is ongoing.
Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Stamping out
Zoning
Vaccination prohibited
No treatment of affected animals
Measures to be applied
Disinfection
Process to inactivate the pathogenic agent in products or by-products
Diagnostic test results
Laboratory name and type Species Test Test date Result
Weybridge (OIE Reference Laboratory) Birds gene sequencing 23/11/2020 Positive
Weybridge (OIE Reference Laboratory) Birds gene sequencing 29/11/2020 Positive
Weybridge (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 21/11/2020 Positive
Weybridge (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 28/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.