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Avian Flu Outbreaks in North America

Updated: Monday, December 17, 2018 5:07 AM EDT
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Avian Flu Outbreaks in North America

Recent North American Outbreaks of Avian Influenza with Transmission to Humans

H7N3 in Canada – 2004

On February 19, 2004 , the Canadian Food Inspection Agency announced an outbreak of avian influenza A (H7N3) in poultry in the Fraser Valley region of British Columbia . Culling operations and other measures were performed in an effort to control the spread of the virus. Health Canada reported two cases of laboratory-confirmed influenza A (H7): one in a person involved in culling operations on March 13-14, and the other in a poultry worker who had close contact with poultry on March 22-23. Both patients developed conjunctivitis (eye infection) and other flu-like symptoms. Their illnesses resolved after treatment with the antiviral medication oseltamivir.

Although these are the only laboratory-confirmed cases of avian influenza A (H7) in humans during this outbreak in Canada , approximately 10 other poultry workers exhibited conjunctival and/or upper respiratory symptoms after having contact with poultry. Use of personal protective equipment is mandatory for all persons involved in culling activities, and compliance with prescribed safety measures is monitored. Epidemiologic, laboratory, and clinical evaluation is ongoing, as is surveillance for signs of avian influenza in exposed persons. There is currently no evidence of person-to-person transmission of avian influenza from this outbreak.

H7N2 in New York – 2003

In November 2003, a patient with serious underlying medical conditions was admitted to a hospital in New York with respiratory symptoms. One of the initial laboratory tests identified an influenza A virus that was thought to be H1N1. The patient recovered and went home after a few weeks. Subsequent confirmatory tests conducted in March showed that the patient had been infected with an H7N2 avian influenza A virus.

Recent Outbreaks among Poultry in the United States with No Transmission to Humans

H5N2 in Texas – 2004

In February 2004, an outbreak of highly pathogenic avian influenza (HPAI) A (H5N2) was detected and reported in a flock of 7,000 chickens in south-central Texas . This was the first outbreak of HPAI in the United States in 20 years.

H7N2 in Delaware, New Jersey, and Maryland – 2004

In February 2004, an outbreak of low pathogenic avian influena (LPAI) A (H7N2) was reported on 2 chicken farms in Delaware and in four live bird markets in New Jersey supplied by the farms. In March 2004, surveillance samples from a flock of chickens in Maryland tested positive for LPAI H7N2. It is likely that this was the same strain.

This article is based on information gathered at the CDC (Center For Disease Control).

Odisha: Chicken price drops amid bird flu threat - The New Indian Express
16 Dec 2018 at 6:58pm
Odisha: Chicken price drops amid bird flu threat - The New Indian Express
16 Dec 2018 at 6:58pm
What's happening in Bird Flu Treatment Market 2018? - Journalists' Mail
16 Dec 2018 at 2:01pm
What's happening in Bird Flu Treatment Market 2018? - Journalists' Mail
16 Dec 2018 at 2:01pm
Minister: Bird flu causing egg price hike - Nation - The Star Online
15 Dec 2018 at 6:25pm
Minister: Bird flu causing egg price hike - Nation - The Star Online
15 Dec 2018 at 6:25pm
Bird Flu Outbreak: Mass culling continues for second day in Puri - Odisha Tel...
15 Dec 2018 at 11:23am
Bird Flu Outbreak: Mass culling continues for second day in Puri - Odisha Tel...
15 Dec 2018 at 11:23am
Import of birds and poultry from Russia suspended to avoid bird flu - The Tha...
15 Dec 2018 at 5:01am
Import of birds and poultry from Russia suspended to avoid bird flu - The Tha...
15 Dec 2018 at 5:01am
Culling Of Chickens Begins Near Chilika Lake After Bird Flu Hits Odisha - NDT...
14 Dec 2018 at 2:49pm
Culling Of Chickens Begins Near Chilika Lake After Bird Flu Hits Odisha - NDT...
14 Dec 2018 at 2:49pm
Bird flu alert sounded at the fringes of Bhitarkanika National Park - OrissaPOST
14 Dec 2018 at 12:40am
Bird flu alert sounded at the fringes of Bhitarkanika National Park - OrissaPOST
14 Dec 2018 at 12:40am
Odisha Bird flu: Government orders culling in four Puri villages from today -...
13 Dec 2018 at 7:27pm
Odisha Bird flu: Government orders culling in four Puri villages from today -...
13 Dec 2018 at 7:27pm
40,000 chickens put down on Powellville farm due to bird flu fears - Delmarva...
13 Dec 2018 at 3:33pm
40,000 chickens put down on Powellville farm due to bird flu fears - Delmarva...
13 Dec 2018 at 3:33pm
ADRI team to visit Chilika Lake to inspect bird flu - Pragativadi
13 Dec 2018 at 1:41pm
ADRI team to visit Chilika Lake to inspect bird flu - Pragativadi
13 Dec 2018 at 1:41pm
Traveler caught smuggling 70 live birds hidden in hair rollers into US - NBC2...
13 Dec 2018 at 12:49pm
Traveler caught smuggling 70 live birds hidden in hair rollers into US - NBC2...
13 Dec 2018 at 12:49pm
Bird flu: Odisha govt orders culling of chicken in 4 villages in Puri - Times...
13 Dec 2018 at 5:46am
Bird flu: Odisha govt orders culling of chicken in 4 villages in Puri - Times...
13 Dec 2018 at 5:46am
Taking steps to prevent bird flu outbreak on poultry farms - Guardian Nigeria
12 Dec 2018 at 8:14pm
Taking steps to prevent bird flu outbreak on poultry farms - Guardian Nigeria
12 Dec 2018 at 8:14pm
No new cases of H5N1 bird flu in humans reported since 2014 - Viet Nam News
11 Dec 2018 at 7:00pm
No new cases of H5N1 bird flu in humans reported since 2014 - Viet Nam News
11 Dec 2018 at 7:00pm
Bird flu alert in Odisha's Bhitarkanika National Park - The New Indian Express
11 Dec 2018 at 6:38pm
Bird flu alert in Odisha's Bhitarkanika National Park - The New Indian Express
11 Dec 2018 at 6:38pm
Bird flu scare grips Puri villages after death of many birds - OrissaPOST
9 Dec 2018 at 12:13am
Bird flu scare grips Puri villages after death of many birds - OrissaPOST
9 Dec 2018 at 12:13am
Bird flu strain could overcome vaccines and infect humans, scientists warn - ...
6 Dec 2018 at 5:00am
Bird flu strain could overcome vaccines and infect humans, scientists warn - ...
6 Dec 2018 at 5:00am
H5N8 Bird Flu Reported Near Tehran - Financial Tribune
4 Dec 2018 at 1:00am
H5N8 Bird Flu Reported Near Tehran - Financial Tribune
4 Dec 2018 at 1:00am
Iran reports H5N8 bird flu in backyard poultry - OIE - Reuters
3 Dec 2018 at 6:50am
Iran reports H5N8 bird flu in backyard poultry - OIE - Reuters
3 Dec 2018 at 6:50am
Avian Bird Flu winter warning - The Scottish Farmer
2 Dec 2018 at 1:00am
Avian Bird Flu winter warning - The Scottish Farmer
2 Dec 2018 at 1:00am