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Zimbabwe - 1 new outbreak of highly pathogenic avian influenza H5N8 in commercial poultry breeding farm, Mashonaland East Province (OIE, June 1, 2017)
Zimbabwe - 1 new outbreak of highly pathogenic avian influenza H5N8 in commercial poultry breeding farm, Mashonaland East Province (OIE, June 1, 2017)
Highly pathogenic avian influenza,
Zimbabwe
Information received on 01/06/2017 from Dr Unesu Hildah Ushewokunze-Obatolu, Principal Director, , Department of Livestock and Veterinary Services, Harare, Zimbabwe
Summary
Report type
Immediate notification
Date of start of the event
17/05/2017
Date of confirmation of the event
01/06/2017
Report date
01/06/2017
Date submitted to OIE
01/06/2017
Reason for notification
New strain of a listed disease in the country
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N8
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)
Outbreak 1 (HPAI_ZIM_1_2017)
LANARK, SEKE, MASHONALAND EAST
Date of start of the outbreak
17/05/2017
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
2000000
7845
7845
75155
0
Affected population
Self-contained commercial poultry breeding farm for broilers and layers with a total census of 2 million birds.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
2000000
7845
7845
75155
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
0.39%
0.39%
100.00%
4.15%
*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
The affected farm has 8 separately managed sites which are at least 1km apart. One of the eight sites was affected, a parent breeding unit for broilers with 83,000 birds. A total of 3,045 birds died within a week at this site showing signs consistent with highly pathogenic avian influenza. The affected site is close to a small dam where there are a number of different migratory waterfowl, which are tentatively suspected to be source of infection.
Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Screening
Traceability
Quarantine
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Stamping out
Zoning
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
Onderstepoort Veterinary Institute, South Africa (Regional Reference Laboratory)
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
Bird Flu strain. . . World Organisation for Animal Health advises Zim on Avian Flu
June 12, 2017 Business
...
Said the organisation?s head of the communication unit Dr Catherine Bertrand-Ferrandis:
?Since HPAI H5N8 subtypes of the virus cause high mortality in domestic poultry, the organisation recommend that Veterinary Services in risk countries such as Zimbabwe and neighbouring countries increase prevention efforts through bio-security to minimise contact between wild birds and poultry and enhance surveillance and preparedness.
...
?Because of the stability of the virus in the environment and highly contagious nature, strict biosecurity measures and good hygiene are essential in protecting against disease outbreaks,? she said.
...
?To date no human influenza cases have been reported to be linked with the H5N8 strain. As a precaution, people working with, or in contact with, poultry that are infected with (or suspected of being infected with) AI viruses are recommended to wear protective clothing, including face masks, goggles, gloves and boots.
...
"Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear." -Nelson Mandela
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