A I Information


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Posted by Rog on February 16, 19104 at 12:39:43:

H5-H7 Avian Influenza Situation Report
2-13-04
Critical New Information

For Pennsylvania, serology results indicate type of virus is H2N2. Testing was conducted by USDA's National Veterinary Services Laboratory (NVSL), the national reference laboratory. Further testing will be conducted to confirm these findings.

Status of States

Delaware
Number of Flocks Affected 2
Number of Flocks Depopulated 2
Number of Flocks Quarantined 80 (approximate)
Number of NVSL Confirmatory Diagnoses 2
Epidemiological evidence and all laboratory test results, thus far, are suggestive of LPAI.
Officials with the Delaware Department of Agriculture (DDA) continue surveillance testing for avian influenza in an effort to contain the spread of the disease. No new positives have been reported.
To date, 27 farms have been tested within the 6 mile zone of the State's two affected flocks. All 27 farms tested NEGATIVE on RT-PCR.
The two depopulated farms will have protocols developed for finishing out the composting cycle and cleaning and disinfection. The poultry industry and State officials in Delaware and Maryland are working with APHIS to coordinate personnel, supplies, and expertise.
First flock is confirmed H7N2 subtype with sequence that suggests low pathogenicity. Conclusive pathogenicity studies will be completed February 19.
Second flock is confirmed H7N2. Genetic sequencing of the second flock isolate is expected February 14. Pathogenicity studies should be completed February 23.

Pennsylvania
Number of Flocks Affected 1
Number of Flocks Depopulated 0
Number of Flocks Quarantined 1
Number of NVSL Confirmatory Diagnoses 0
Serology results indicate type of virus is H2N2. Further testing will be conducted to confirm these findings.
Confirmation of virus is still pending in the suspect flock. Results are expected February 17.
Routine surveillance testing detected the suspect flock. There were no clinical signs, no increase in mortality, or no decrease in egg production.
The State has developed a surveillance program in the area including blood and swab submissions within 2 mile and 5 mile zones. Samples will also be required 2 to 10 days prior to movement of poultry off premises.
Tracing and testing from the feed supplier to the Delaware area also continues. Four flocks have been tested as a result of the trace investigations with no evidence of virus activity to date.

New Jersey
Number of Flocks Affected 0
Number of Flocks Depopulated 0
Number off Flocks Quarantined 0
Number of NVSL Confirmatory Diagnoses 0
No affected poultry flocks are reported in New Jersey. The State continues to monitor its live bird markets.
4 live bird markets tested positive as part of routine surveillance testing by the State.
Following routine protocol, the affected live bird markets will be depopulated, followed by cleaning and disinfecting the affected areas.







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