China - 1 new outbreak of highly pathogenic avian influenza H7N9 in birds on farm, Baoqing, Shuangyashan, Heilongjiang Province (OIE, June 23, 2017)

[Pathfinder]

Highly pathogenic avian influenza, China (People's Rep. of)

Information received on 23/06/2017 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)

Summary Report type Follow-up report No. 6 Date of start of the event 19/03/2017 Date of confirmation of the event 24/03/2017 Report date 23/06/2017 Date submitted to OIE 23/06/2017 Reason for notification New strain of a listed disease Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H7N9 Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (24/03/2017) Follow-up report No. 1 (12/05/2017) Follow-up report No. 2 (24/05/2017) Follow-up report No. 3 (01/06/2017) Follow-up report No. 4 (12/06/2017) Follow-up report No. 5 (13/06/2017) Follow-up report No. 6 (23/06/2017)

New outbreaks (1)

Outbreak 1 Baoqing, Shuangyashan, HEILONGJIANG Date of start of the outbreak 16/06/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 36110 20150 19500 16610 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 36110 20150 19500 16610 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 55.80% 54.00% 96.77% 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 Screening Quarantine Official disposal of carcasses, by-products and waste Stamping out Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result Harbin National Reference Laboratory for Avian Influenza (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 16/06/2017 Positive Harbin National Reference Laboratory for Avian Influenza (OIE Reference Laboratory) Birds virus isolation 16/06/2017 Positive

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

...

http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=24088