Avian influenza, sometimes avian flu, and commonly bird flu, refers to \"influenza caused by viruses adapted to birds.\" Of the 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.

Articles About Avian influenza

Health workers inspecting a poultry market
Deadly New Bird Flu Strain H10N8 Discovered in China, 1 Already Dead

By IBTimes AU

A new deadly new bird flu strain H10N8 has been discovered in China. At least one has died from the brand-new bird flu strain. (Feb 06)

MORE TOPICS: CHINA, TWITTER, INFECTION, BIRD FLU, H5N1

Health officials in protective suits transport sacks of poultry as part of preventive measures against the H7N9 bird flu
1 Dead from H5N1 Bird Flu Infection in Canada, 1st in North America

By IBTimes AU

At least one person has died in Canada from the fatal H5N1 avian influenza infection, the first ever also from the entire North America. The victim succumbed to the disease after recently travelling to Beijing, China in December 2013. (Jan 09)

MORE TOPICS: CHINA, INFECTION, BIRD FLU, H5N1

China Bird Flu Alert: 11 Quarantined Due To H5N2 Avian Influenza Virus

By IBTimes AU

About 11 people in north China's Hebei Province were quarantined on Monday after health authorities confirmed they had direct contact with chicken infected with H5N2 avian influenza virus. (Dec 24)

MORE TOPICS: CHINA, BIRD FLU

Bird Flu Alert: China Confirms H5N2 Outbreak

By IBTimes IN

The Xinhua report stated that the Chinese Ministry of Agriculture has confirmed the outbreak of the deadly strain that is said to have caused the death of over 4,000 chickens. (Dec 22)

MORE TOPICS: CHINA, BIRD FLU

China Confirms First Human Transmission of H7N9 Avian Influenza

By IBTimes AU

A woman working as a poultry slaughtering worker in Boluo country in Southern China's Guangdong province has contracted the dreaded H7N9 avian influenza, prompting authorities to confirm the virus can be transmitted to humans. (Aug 13)

MORE TOPICS: CHINA, BIRD FLU, LONDON

China’s Bird Flu Outbreak Cost Industry Losses of $6.5bn

By Economy Watch

While the spread of H7N9 virus appears to have been brought under control in China, public healthcare experts say the bird flu outbreak has cost the country's poultry industry more than 40 billion yuan ($6.5 billion) in losses despite Beijing's swift actions to contain the outbreak. (May 24, 2013)

MORE TOPICS: CHINA, BIRD FLU

Bird 'Poops' Used in Facial Powder at High-Class Spa? Can it Transmit Infectious Disease such as 'Bird Flu'?

By IBTimes AU

Droppings from a type of bird called Nightingale are used frequently for facials at high-class spas and allegedly to do softening, brightening and nourishing of the face. But how does it smell after? Can infected Nightingale transmit diseases such as... (May 17, 2013)

MORE TOPICS: ALLERGY, BIRD FLU

China Bird Flu: Taiwan Includes Hunan Province in Alert List for Travelers to China

By IBTimes AU

Hunan Province has been included in Taiwan's alert list for travelers bound for China, with the total number of areas now reaching 10. Taiwan first issued the travel health advisory Thursday last week, April 25. (Apr 29, 2013)

MORE TOPICS: CHINA, INFECTION, BIRD FLU

H7N9 Bird Flu Spreads Outside Mainland China as Taiwan Reports First Case

By IBTimes UK

Taiwanese man in serious condition from virus scientists describe as unusually dangerous. (Apr 25, 2013)

MORE TOPICS: CHINA, INFECTION, BIRD FLU, H5N1

H7N9 Bird Flu 'One of Most Lethal Influenza Viruses' and Greater Risk than H5N1 [VIDEO]

By IBTimes UK

WHO says new strain of avian influenza moves from birds to humans more easily than previous outbreak. (Apr 24, 2013)

MORE TOPICS: CHINA, INFECTION, BIRD FLU, H5N1

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