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Avian Influenza


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News Update September, 26 2014


Avian Influenza in Wild birds

United States, Pennsylvania, Berks County. (LPAI in mosquitoes)
(9/9/2014) Department of Environmental Protection officials in Berks County, Pennsylvania reported that during the testing for West Nile virus in mosquitoes, one mosquito was found to be infected with the avian flu virus. No mosquitoes were found to be infected with West Nile during this year’s surveillance program in the county. West Nile virus staff are responding with additional surveillance and control, although spraying is normally suspended after Labor Day as cooler nights begin to kill off the mosquito population. Testing for infected mosquito larva in pools of standing water will continue.

Avian Influenza in Poultry

Laos (LPAI H5N6)
(9/9/2014) An active surveillance program for avian influenza in five targeted provinces of northern Laos started in July 2014 with funding through FAO. As of 15 September 2014, the laboratory diagnostic results from the National Animal Health Laboratory (NAHL) have revealed that a poultry farm in Luangprabang where with one-day-old chicken and ducks were recently introduced has tested positive for the Low pathogenic avian influenza H5N6 virus. The Laotian veterinary authorities reported the detection on Monday, 15 September. According to the OIE, two birds have died out of a total of 200 birds. The positive samples will be sent to the Australian Animal Health Laboratory for nucleotide sequence characterization.


Vietnam (HPAI H5N6)
(9/17/2014) Health authorities in Vietnam's Central province of Quang Ngai on Tuesday culled 1,000 birds infected by H5N6 avian flu virus. The Veterinary Sub-department and the Cattle and Poultry Disease Prevention Steering Committee which conducted the culling said the birds belonged to a poultry farm in Tin An Dong commune, Quang Ngai city. The 40-day old flocks of birds were vaccinated earlier, but dozens had later tested positive for the virus. Local authorities have implemented a number of measures to prevent poultry-to-human transmission including culling, sterilization of the poultry farm, and vaccination of birds.

(9/22/2014) More than 3,100 ducks were found to be infected with the bird flu virus A/H5N6 in farms in Vietnam's central Quang Nam province. A flock of 2,000 ducks at a farm in Tam My Dong commune in Nui Thanh district had tested positive for the virus last week, and more than 900 ducks in other poultry farms in the commune were then found dead en masse. Nui Thanh district's veterinary center, stated that they killed all the infected birds, burned their carcasses, sprayed chemicals at all farms in the commune and vaccinated 50 flocks of ducks. Additionally, veterinary emergency teams will work 24-hour shifts to monitor the virus in the area and all veterinary centers in the province's 18 districts are requested to prepare measures against the spread of the A/H5N6 virus.

South Korea (HPAI H5N8)
(9/24/2014) A suspected case of avian influenza was reported Wednesday at a duck farm in the southwestern city of Yeongam, the government said. An early response team has been dispatched to the farm located some 380 kilometers from the capital Seoul, according to the Ministry of Agriculture. Testing has detected the presence of HPAI H5N8. A total of 19,800 birds were destroyed following the detection of the infection with avian influenza virus. The outbreak comes only three weeks after the ministry declared the elimination of the disease that was first reported on Jan. 16.

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