OIE: Highly pathogenic avian influenza, China (People´s Rep. of)

Information received on 15/03/2017 from Dr Zhang Zhongqiu, 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. 19
Date of start of the event	23/08/2014
Date of confirmation of the event	01/09/2014
Report date	15/03/2017
Date submitted to OIE	15/03/2017
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	04/05/2014
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N6
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (01/09/2014) Follow-up report No. 1 (04/09/2014) Follow-up report No. 2 (24/10/2014) Follow-up report No. 3 (23/01/2015) Follow-up report No. 4 (28/01/2015) Follow-up report No. 5 (06/02/2015) Follow-up report No. 6 (01/04/2015) Follow-up report No. 7 (03/04/2015) Follow-up report No. 8 (25/05/2015) Follow-up report No. 9 (14/08/2015) Follow-up report No. 10 (11/12/2015) Follow-up report No. 11 (18/01/2016) Follow-up report No. 12 (22/01/2016) Follow-up report No. 13 (29/02/2016) Follow-up report No. 14 (11/03/2016) Follow-up report No. 15 (20/06/2016) Follow-up report No. 16 (31/08/2016) Follow-up report No. 17 (08/10/2016) Follow-up report No. 18 (11/01/2017) Follow-up report No. 19 (15/03/2017)

New outbreaks (1)

Outbreak 1

Huangshi, Daye, HUBEI

Date of start of the outbreak

03/03/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Backyard

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	767	134	86	681	0

Affected population

Affected poultry is domestic duck.

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	767	134	86	681	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	17.47%	11.21%	64.18%	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 Disinfection / Disinfestation Modified stamping out Zoning 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
National Avian Influenza Laboratory, Harbin Veterinary Research Institute (OIE Reference Laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	14/03/2017	Positive

Future Reporting

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