Australia reports first human avian flu infection
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[May 22, 2024]
By Peter Hobson
SYDNEY/CANBERRA (Reuters) -Australia reported its first human case of
avian influenza on Wednesday in a child who authorities said had been
infected in India but made a full recovery, while a different highly
contagious strain was found on an egg farm.
The H5N1 strain of avian flu has swept the globe in recent years,
killing billions of farmed and wild birds and spreading to tens of
mammal species.
Health authorities in Australia's southeastern state of Victoria said
contact tracing had not identified any further cases and there was a
very low chance of others becoming infected as the flu does not easily
spread between people.
"This is the first confirmed human case of highly pathogenic avian
influenza in Australia," Dr Claire Looker, the state's chief health
officer, said in a statement.
It was the first instance of detection of the H5N1 strain in a person or
animal in the country, she added.
"The child experienced a severe infection but is no longer unwell and
has made a full recovery."
The case in Victoria involves an H5N1 virus, but the strain is not the
same as those responsible for outbreaks in the United States, Looker
said.
A farm worker in Texas tested positive for the virus earlier this year
as it spread through the U.S. cattle herd.
Australia is the only continent where animals have so far stayed free of
the H5N1 avian influenza virus, but authorities on Wednesday said a
different strain of highly pathogenic bird flu had been detected at an
egg farm near Melbourne.
First laboratory tests showed that virus was an as yet unidentified H7
strain that probably came from the wild bird population and had been
seen in Australia before, said Graeme Cooke, Victoria's chief veterinary
officer.
Curbs were imposed on movement around the farm and the birds would be
destroyed, he added.
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A person touches a test tube labelled "Bird Flu", in this picture
illustration, January 14, 2023. REUTERS/Dado Ruvic/Illustration/File
Photo
"This area does have a high density
of poultry businesses, both egg laying and poultry meat," Cooke told
Australian Broadcasting Corporation (ABC) radio.
"At this stage we can't say whether there'll be any
onward spread to other properties. We are now taking measures
necessary to stamp it out to remove any onward spread."
The outbreak presented no risk to human health, he said.
Only a small part of the industry has been affected, said Rowan
McMonnies, chief executive of industry body Australian Eggs, adding
that farmers would be "working hard to ensure there are eggs on
shelves".
Chicken producer Inghams Group plunged as much as 16% but pared
losses to 5.5% by 0701 GMT after it said operations had not been
affected.
The Australian Chicken Meat Federation (ACMF) said companies had
stepped up biosafety measures as a precaution but added, "No
discernible impact is expected on chicken meat supplies at the
retail level."
In 2020, Victoria was the site of an H7N7 outbreak, the most recent
of Australia's nine outbreaks of Highly Pathogenic Avian Influenza (HPAI)
since 1976. All were quickly reined in and stamped out, the
government says.
(Reporting by Peter Hobson and Lewis Jackson; Editing by Stephen
Coates and Clarence Fernandez)
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