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2021-1-22 11:36:47


OIE: Highly pathogenic avian influenza, China (People´s Rep. of)(H7N9)
submited by kickingbird at Feb, 22, 2017 7:53 AM from OIE

Information received on 18/02/2017 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

Immediate notification

Date of start of the event

10/01/2017

Date of confirmation of the event

10/01/2017

Report date

18/02/2017

Date submitted to OIE

18/02/2017

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

2015

Manifestation of disease

Sub-clinical infection

Causal agent

Highly pathogenic avian influenza virus

Serotype

H7N9

Nature of diagnosis

Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • GUANGDONG ( Live bird markets )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

**

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

**

**

**

**


* Removed from the susceptible population through death, destruction and/or slaughter;
** Not calculated because of missing information;

Epidemiology

Source of the outbreak(s) or origin of infection

  • Unknown or inconclusive

Epidemiological comments

Samples from live bird markets sent to the National Reference Laboratory for Avian Influenza by the Guangdong veterinary authotities tested positive for a highly pathogenic avian influenza H7N9 virus. Affected live poultry markets have been closed and surveillance is strengthened in the whole province.

Control measures

Measures applied

  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • 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

National Reference Laboratory for Avian Influenza ( National laboratory )

Tests and results

Species

Test

Test date

Result

Birds

virus sequencing

10/01/2017

Positive

Future Reporting

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

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