News tagged with avian flu
What to know about the new bird flu virus
Earlier this month, the U.S. government declared that the emerging H7N9 bird flu "poses a significant potential for a public health emergency." The virus, a relative of other bird flus we've seen previously ...
Diseases, Conditions, Syndromes
May 14, 2013 |
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Bird flu expert working on vaccine that protects against multiple strains
(Medical Xpress)—As the bird flu outbreak in China worsens, a Purdue University expert is working on vaccines that offer broader protection against multiple strains of the virus.
Diseases, Conditions, Syndromes
May 10, 2013 |
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Recent studies warn surveillance of bird flu strains is needed
(Medical Xpress)—Recent scientific papers from China suggest a vigilant watch should be kept on the development of bird flu viruses, as a new strain has been identified and previously known viruses have ...
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May 03, 2013 |
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Time to panic? Academic assesses threat of Avian Flu
On April 27, China reported its first case of bird flu in the southern province of Hunan, bringing unwelcome news that the virus that had already claimed 23 lives in that nation since it was first detected ...
Diseases, Conditions, Syndromes
May 02, 2013 |
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No evidence H7N9 spreads between humans—but fear does
It's ten years since SARS (severe acute respiratory syndrome) upset our complacency about infectious diseases and now we are faced by another "new" disease. H7N9 bird flu is currently spreading through Chi ...
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Apr 29, 2013 |
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H7N9 bird flu spreads to central China's Hunan
China's deadly outbreak of H7N9 bird flu has spread to the central province of Hunan, local health authorities said Saturday, the third announcement in three days of a case in a new location.
Diseases, Conditions, Syndromes
Apr 27, 2013 |
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H7N9 bird flu spreads to southern China
China's deadly outbreak of H7N9 bird flu has spread to a province in the country's south, the government said Friday, marking the second announcement in two days of a case in a new location.
Diseases, Conditions, Syndromes
Apr 26, 2013 |
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Biogeographic barrier that protects Australia from avian flu does not stop Nipah virus
An invisible barrier separates land animals in Australia from those in south-east Asia may also restrict the spillover of animal-borne diseases like avian flu, but researchers have found that fruit bats on ...
Diseases, Conditions, Syndromes
Apr 24, 2013 |
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No 'sustained' human-to-human transmission of bird flu, WHO says
A top WHO influenza expert said Monday there was still no evidence H7N9 bird flu was spreading in a "sustained" way between people in China, despite the possibility some family members may have infected one another.
Diseases, Conditions, Syndromes
Apr 22, 2013 |
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China and Taiwan cooperate on bird flu research
Taiwan has received specimens of the H7N9 avian flu virus from China to help research the new strain, in what an official described Sunday as a landmark move in health cooperation.
Diseases, Conditions, Syndromes
Apr 21, 2013 |
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Beijing H7N9 bird flu victim leaves hospital (Update)
A seven-year-old girl who contracted the H7N9 strain of bird flu left hospital on Wednesday and appeared before media in an apparent bid by health authorities to cool concerns about the deadly virus.
Diseases, Conditions, Syndromes
Apr 17, 2013 |
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Beijing H7N9 flu victim to return home
A seven-year-old girl who contracted the deadly H7N9 strain of bird flu was to leave a Beijing hospital on Wednesday, staff said, as the death toll from the virus in China remained at 16.
Diseases, Conditions, Syndromes
Apr 17, 2013 |
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Death toll hits 16 in China bird flu outbreak
H7N9 bird flu has claimed two more lives in Shanghai, Chinese state media said on Tuesday, bringing the death toll from the disease to 16.
Diseases, Conditions, Syndromes
Apr 16, 2013 |
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New bird flu strain seen adapting to mammals, humans
A genetic analysis of the avian flu virus responsible for at least nine human deaths in China portrays a virus evolving to adapt to human cells, raising concern about its potential to spark a new global flu pandemic.
Diseases, Conditions, Syndromes
Apr 12, 2013 |
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H7N9 vaccine may take months, CDC says (Update)
US public health experts said developing a vaccine for the H7N9 strain of bird flu could take "many months", as China seeks to control an outbreak which had killed 11 people by Friday.
Diseases, Conditions, Syndromes
Apr 12, 2013 |
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Avian influenza
Avian influenza, sometimes avian flu, and commonly bird flu, refers to "influenza caused by viruses adapted to birds." Of greatest concern is highly pathogenic avian influenza (HPAI).
"Bird flu" is a phrase similar to "swine flu," "dog flu," "horse flu," or "human flu" in that it refers to an illness caused by any of many different strains of influenza viruses that have adapted to a specific host. All known viruses that cause influenza in birds belong to the species influenza A virus. All subtypes (but not all strains of all subtypes) of influenza A virus are adapted to birds, which is why for many purposes avian flu virus is the influenza A virus (note that the "A" does not stand for "avian").
Adaptation is non-exclusive. Being adapted towards a particular species does not preclude adaptations, or partial adaptations, towards infecting different species. In this way strains of influenza viruses are adapted to multiple species, though may be preferential towards a particular host. For example, viruses responsible for influenza pandemics are adapted to both humans and birds. Recent influenza research into the genes of the Spanish flu virus shows it to have genes adapted to both birds and humans; with more of its genes from birds than less deadly later pandemic strains.
For more information about Avian influenza, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
