Russia - 4 new outbreaks of highly pathogenic avian influenza H5 in backyard birds (OIE, July 31, 2018)

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Highly pathogenic avian influenza, Russia

Information received on 31/07/2018 from Dr Nikolay Vlasov, Deputy Head of the Rosselkhoznadzor, Ministry of Agriculture, Ministry of Agriculture, Moscow, Russia

Summary Report type Follow-up report No. 7 Date of start of the event 07/06/2018 Date of confirmation of the event 09/06/2018 Report date 31/07/2018 Date submitted to OIE 31/07/2018 Reason for notification Recurrence of a listed disease Date of previous occurrence 13/03/2018 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5 Nature of diagnosis Clinical, Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (13/06/2018) Follow-up report No. 1 (20/06/2018) Follow-up report No. 2 (27/06/2018) Follow-up report No. 3 (04/07/2018) Follow-up report No. 4 (11/07/2018) Follow-up report No. 5 (18/07/2018) Follow-up report No. 6 (25/07/2018) Follow-up report No. 7 (31/07/2018)

New outbreaks (4)

Outbreak 1 Shumerlya, Shumerlinsky, Chuvashskaya Respublika-Chuvashiya Date of start of the outbreak 19/07/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 54 3 3 51 0

Outbreak 2 Kaderkino, Shumerlinsky, Chuvashskaya Respublika-Chuvashiya Date of start of the outbreak 19/07/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 44 19 19 25 0

Outbreak 3 Vypolzovo, Sursky, Ul'Yanovskaya Oblast Date of start of the outbreak 20/07/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 139 139 55 84 0

Outbreak 4 Verkhniy Indyrchi, Apastovsky, Respublika Tatarstan Date of start of the outbreak 24/07/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 35 14 14 21 0

Summary of outbreaks Total outbreaks: 4 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 272 175 91 181 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 64.34% 33.46% 52.00% 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

Control measures Measures applied Movement control inside the country Surveillance within containment and/or protection zone Screening Quarantine Official disposal of carcasses, by-products and waste Stamping out Control of wildlife reservoirs Disinfection Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result All-Russian Research Institute for Animal Health (FGBI-ARRIAH) (National laboratory) Birds polymerase chain reaction (PCR) 21/07/2018 Positive Chuvashskaya veterinary Laboratory (Regional Laboratory) Birds polymerase chain reaction (PCR) 25/07/2018 Positive Tatarskaya veterinary Laboratory (Regional Laboratory) Birds polymerase chain reaction (PCR) 25/07/2018 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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