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Avian Flu Quick Details

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Avian influenza, additionally known as avian flu or chicken flu, is an sickness that normally impacts solely birds.

There are a lot of completely different strains of avian flu: 16 H subtypes and 9 N subtypes. Solely these labeled H5, H7 and H10 have prompted deaths in people.

Essentially the most generally seen and most threatening type of the virus is named “Influenza A (H5N1),” or the “H5N1 virus.”

Most circumstances of human chicken flu infections are as a consequence of contact with contaminated poultry or surfaces which might be contaminated with contaminated chicken excretions: saliva, nasal secretions or feces.

Signs of avian flu embody fever, cough, sore throat and typically extreme respiratory illnesses and pneumonia.

The CDC recommends oral oseltamivir (model identify: Tamiflu), inhaled zanamivir (model identify: Relenza) and intravenous permavir (model identify: Rapivab) for the remedy of human sickness related to avian flu.
The mortality fee is near 60% for contaminated people.

Timeline

Early 1900s –The avian flu is first recognized in Italy.

1961 – The H5N1 pressure is remoted in birds in South Africa.

December 1983 – Chickens in Pennsylvania and Virginia are uncovered to the avian flu and greater than 5 million birds are killed to cease the illness from spreading.

1997 – Eighteen persons are contaminated by the H5N1 pressure in Hong Kong, six die. These are the primary documented circumstances of human an infection. Hong Kong destroys its complete poultry inhabitants, 1.5 million birds.

1999 Two youngsters in Hong Kong are contaminated by the H9N2 pressure.

February 2003 – Eighty-four folks within the Netherlands are affected by the H7N7 pressure of the virus, one dies.

February 7, 2004 – Twelve thousand chickens are killed in Kent County, Delaware, after they’re discovered to be contaminated with the H7 virus.

October 7, 2005The avian flu reaches Europe. Romanian officers quarantine a village of about 30 folks after three useless geese there take a look at optimistic for chicken flu.

November 12, 2005 – A one-year-old boy in Thailand checks optimistic for the H5N1 pressure of avian influenza.

November 16, 2005 – The World Well being Group confirms two human circumstances of chicken flu in China, together with a feminine poultry employee who died from the H5N1 pressure.

November 17, 2005 Two deaths are confirmed in Indonesia from the H5N1 pressure of avian influenza.

January 1, 2006 – A Turkish teenager dies of the H5N1 pressure of avian influenza in Istanbul, and later that week, two of his sisters die.

January 17, 2006 – A 15-year-old woman from northern Iraq dies after contracting chicken flu.

February 20, 2006Vietnam turns into the primary nation to efficiently include the illness. A rustic is taken into account disease-free when no new circumstances are reported in 21 days.

March 12, 2006Officers in Cameroon affirm circumstances of the H5N1 pressure. The avian flu has now reached 4 African international locations.

March 13, 2006 – The avian flu is confirmed by officers in Myanmar.

Could 11, 2006 Djibouti publicizes its first circumstances of H5N1 – a number of birds and one human.

December 20, 2011 – The US Division of Well being and Human Providers releases an announcement saying that the federal government is urging scientific journals to omit particulars from analysis they intend to publish on the switch of H5N1 amongst mammals. There’s concern that the data could possibly be misused by terrorists.
July 31, 2012Scientists announce that H3N8, a brand new pressure of avian flu, prompted the dying of greater than 160 child seals in New England in 2011.
March 31, 2013 – Chinese language authorities report the primary human circumstances of an infection of avian flu H7N9 to the World Well being Group. H7N9 has not beforehand been detected in people.
December 6, 2013 – A 73-year-old girl contaminated with H10N8 dies in China, the primary human fatality from this pressure.
January 8, 2014 – Canadian well being officers affirm {that a} resident from Alberta has died from H5N1 avian flu, the primary case of the virus in North America. It is usually the primary case of H5N1 an infection ever imported by a traveler into a rustic the place the virus will not be current in poultry.
April 20, 2015 – Officers say greater than 5 million hens will probably be euthanized after chicken flu was detected at a business laying facility in northwest Iowa. In response to the US Division of Agriculture, near eight million circumstances of chicken flu have been detected in 13 states since December. Well being officers say there’s little to no threat for transmission to people with respect to H5N2. No human infections with the virus have ever been detected.

January 15, 2016 – The US Division of Agriculture confirms {that a} business turkey farm in Dubois County, Indiana, has examined optimistic for the H7N8 pressure of avian influenza.

January 24, 2017 – Britain’s Division for Surroundings, Meals & Rural Affairs releases an announcement confirming that a case of H5N8 avian flu has been detected in a flock of farmed breeding pheasants in Preston, UK. The flock is estimated to include round 10,000 birds. The assertion provides that various these birds have died, and the remaining reside birds on the premises are being “humanely” killed due to the illness.
February 12, 2017 – A lot of provinces in China have shut down their reside poultry markets to forestall the unfold of avian flu after a surge within the variety of infections from the H7N9 pressure. At the very least six provinces have reported human circumstances of H7N9 influenza this 12 months, based on Chinese language state media, Xinhua.
March 5-7, 2017 – The USDA confirms {that a} business hen farm in Tennessee has examined optimistic for the H7N9 pressure of avian flu, however says it’s genetically completely different from the H7N9 lineage out of China. The 73,500-bird flock in Lincoln County will probably be euthanized, based on Tyson Meals.
February 14, 2018 – Hong Kong’s Centre for Well being Safety publicizes {that a} 68-year-old girl has been handled for the H7N4 pressure. That is the primary case of this pressure in a human.
June 5, 2019 – Since 2013 there have been 1,568 confirmed human circumstances and 616 deaths worldwide from the H7N9 pressure of avian flu, based on the Meals and Agriculture Group of the United Nations.

December 2019 – The UK Division for Surroundings, Meals & Rural Affairs confirms {that a} case of H5N1 avian flu has been detected at a poultry farm in Suffolk. 27,000 birds are humanely killed due to the illness.

April 9, 2020 – The USDA confirms {that a} business turkey flock in Chesterfield County, South Carolina has examined optimistic for the H7N3 pressure of avian flu.

January 2021 – India culls tens of 1000’s of poultry birds after avian influenza is detected in geese, crows and wild geese in at the least a dozen areas throughout the nation.
February 18, 2021 – Russian authorities notify WHO that they’ve detected H5N8 in people. “If confirmed, this could be the primary time H5N8 has contaminated folks,” a WHO Europe spokesperson says in an announcement.

June 1, 2021 – China’s Nationwide Well being Fee publicizes the primary human case of H10N3.

February 2022 – The USDA confirms that wild birds and home poultry in the USA have examined optimistic for the H5N1 pressure of avian flu. By Could 9, the CDC reviews there are 35 states with contaminated wild birds and 34 states with poultry outbreaks.

April 26, 2022 – China’s Nationwide Well being Fee publicizes the primary human case of H3N8.

April 28, 2022 – The CDC publicizes a case of H5 chicken flu has been confirmed in a person in Colorado.
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