Diseases, Conditions, Syndromes

Should you be concerned about bird flu?

While humans continue to cope with COVID-19, the H5N1 bird flu has created its own pandemic, killing wild birds like geese and bald eagles in Illinois and driving poultry farmers to cull more than 37 million birds across ...

Diseases, Conditions, Syndromes

Avian flu safety advice

Although avian flu currently presents a very low risk to public health, given the recent increase in cases it is useful to be aware of some simple safety tips related to this disease. You can find out more below:

Diseases, Conditions, Syndromes

UK identifies rare case of avian flu in a human

Health officials in Britain said Thursday they had identified a rare case of avian flu in a person, as the country battles its largest-ever outbreak of the virus among birds.

Diseases, Conditions, Syndromes

First human case of H10N3 bird flu: What we know

China revealed the first human case of H10N3 bird flu on Tuesday, an announcement that has so far raised no alarm among world health authorities.

Diseases, Conditions, Syndromes

COVID-19 a reminder of zoonotic diseases at home

With genetic analysis suggesting COVID-19 originated in animals before it spread to humans, a UNSW Sydney virologist says now is a good time to bear in mind zoonotic diseases are closer to home than people might think.

Diseases, Conditions, Syndromes

How long can viruses survive in a dead body?

People have a lot of questions about viruses right now. Some of those questions involve what happens to viruses in the remains of humans or animals. For example, could people get sick from digging up decades-old bodies? Or ...

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Influenza A virus subtype H5N1

Influenza A virus subtype H5N1, also known as "bird flu," A(H5N1) or simply H5N1, is a subtype of the Influenza A virus which can cause illness in humans and many other animal species. A bird-adapted strain of H5N1, called HPAI A(H5N1) for "highly pathogenic avian influenza virus of type A of subtype H5N1", is the causative agent of H5N1 flu, commonly known as "avian influenza" or "bird flu". It is enzootic in many bird populations, especially in Southeast Asia. One strain of HPAI A(H5N1) is spreading globally after first appearing in Asia. It is epizootic (an epidemic in nonhumans) and panzootic (affecting animals of many species, especially over a wide area), killing tens of millions of birds and spurring the culling of hundreds of millions of others to stem its spread. Most references to "bird flu" and H5N1 in the popular media refer to this strain.

According to the FAO Avian Influenza Disease Emergency Situation Update, H5N1 pathogenicity is continuing to gradually rise in endemic areas but the avian influenza disease situation in farmed birds is being held in check by vaccination. Eleven outbreaks of H5N1 were reported worldwide in June 2008 in five countries (China, Egypt, Indonesia, Pakistan and Vietnam) compared to 65 outbreaks in June 2006 and 55 in June 2007. The "global HPAI situation can be said to have improved markedly in the first half of 2008 [but] cases of HPAI are still underestimated and underreported in many countries because of limitations in country disease surveillance systems".

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