OIE: Highly pathogenic avian influenza, Russia

Information received on 23/11/2016 from Dr Evgeny Nepoklonov, Deputy Head, Federal Service for Veterinary and Phytosanitary Surveillance, Ministry of Agriculture, Moscow, Russia

Summary

Report type

Immediate notification

Date of start of the event

07/11/2016

Date of confirmation of the event

17/11/2016

Report date

23/11/2016

Date submitted to OIE

23/11/2016

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

15/06/2016

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5

Nature of diagnosis

Laboratory (basic), Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 2

Outbreak Location

  • RESPUBLIKA KALMYKIYA ( Oktyabr’sky, Yashaltinsky Solenoe, Yashaltinsky )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

203

137

137

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

67.49%

67.49%

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

Genome of H5 avian influenza virus was detected in 4 samples from carcasses of domestic birds (goose, hen, guinea fowl). Sequence analysis of the isolates showed that they belonged to the Asian HPAI virus H5 lineage A/Guandong/1/96, clade 2.3.4.4.

Control measures

Measures applied

  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Control of wildlife reservoirs
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals

Measures to be applied

  • Stamping out

Diagnostic test results

Laboratory name and type

Stavropolskaya veterinary laboratory ( Local laboratory )

Tests and results

Species

Test

Test date

Result

Birds

polymerase chain reaction (PCR)

17/11/2016

Positive

Laboratory name and type

All-Russian Research Institute for Animal Health (FGBI-ARRIAH) ( National laboratory )

Tests and results

Species