Today infectious disease experts recognize that
an avian flu virus could genetically change enough to trigger a human pandemic.
Epidemiologists have worried that
the avian flu virus, formally known as H5N1, could mutate enough to sicken and pass among humans, who would not have an immunity to it.
Michael Osterholm, director of the University of Minnesota's Center for Infectious Disease Research and Policy in Minneapolis, points out that the 2004 document was based on input from an international panel of 22 scientists and public - health officials, in response to the threat of the deadly H5N1
avian flu virus.
Chairul Nidom of Airlangga University in Surabaya, Indonesia, and colleagues in Japan, have been tracking H5N1 in pigs since 2005 in Indonesia, the country hardest hit by
the avian flu virus.
The findings come amid ongoing concerns about flu pandemics launched by
avian flu viruses and the global rise of obesity.
«I don't think people should be overly concerned if they're exposed to
avian flu virus that they're going to get Parkinson's disease,» Tansey says.
From its sequence, researchers already knew that the 1918 HA gene resembled that of
avian flu viruses.
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»).
The cytokine response to
the avian flu virus, H5N1, is particularly vociferous, and some thought that this «cytokine storm» might be the main cause of death.
According to Earl Brown, professor of medicine at the University of Ottawa, the more limited ability of
the avian flu virus to infect cells in the human airway thus also appears to be associated with infection of the deep areas of the lung where oxygen and carbon dioxide are exchanged.
Ahmedâ $ ™ s team had showed that people infected by the 2009 H1N1 flu strain developed broadly protective antibodies, and separately, so did volunteers immunized against the H5N1
avian flu virus.
The H3N2 canine influenza virus was
an avian flu virus that adapted to infect dogs.
H3N2 is
an avian flu virus that has also adapted to infect dogs.
Human influenza, swine flu and
avian flu viruses are different, yet closely related.
The H3N2 canine influenza virus is
an avian flu virus that adapted to infect dogs.
It's worth pondering this question anew, given the debate that's erupted over efforts to limit publication of details of new research producing a deadly strain of the H5N1
avian flu virus that's transmissible in ferrets, which are a research stand - in for humans.
Not exact matches
The combined pressures of climate change and epidemics sweeping through intensive animal agriculture such as H5N2
avian flu and porcine epidemic diarrhea
virus (PEDV) are growing challenges for industrial agriculture, and workers organizing to demand fair pay and conditions combined with increasing consumer pressure for greater transparency and better treatment of land, animals, and workers, are having an effect.
(These proteins serve as the basis for influenza nomenclature; for instance, the H5N1
virus refers to specific classes of hemagglutinin and neuraminidase, which in this example correspond to an
avian flu subtype.)
Viruses like
avian flu or the animal coronavirus that mutated into SARS must be relatively benign in their original hosts to spread from one animal in the wild to the next.
Although
avian flu made few headlines in 2007, the
virus continued to claim lives in Asia, particularly in Indonesia.
As controversy rages around the scientists who created mutant strains of the H5N1
avian influenza
virus, leading
flu researchers have called for a 60 - day voluntary pause on such work.
Before SARS, before worries about widespread
avian flu, the Nipah
virus infected humans with surprising ease.
So while
avian flu continues to make headlines, Nipah is also a
virus to watch.
As a result, no one can explain why the
avian H5N1
flu virus has infected some 400 people worldwide, mainly in Asia and Africa, but failed so far to adapt completely to humans.
A triple reassortment strain of an H1N2
virus, with genes from
avian, swine and human
flu, has been shown to jump easily via air to mammals
It turns out that all 20th - century pandemic
viruses, among them the 2009 swine
flu, have
avian flu PB1 genes.
Genetic analysis shows that the
virus is a mix of
avian and swine
viruses from North America, a swine
flu strain usually seen in Asia, and a human influenza strain.
Frankel took the example of the
avian flu research that in 2011 sparked a fierce debate about whether it should be published, given that it identified mutations that could make the H5N1
virus much more transmittable to humans.
One study from Taiwan tracked
avian flu outbreaks downwind of Asian dust storms and found that the
flu virus might be transported long - distance by air spiked with the dust.
So far, the killer
virus looks like a run - of - the - mill swine
flu, not an
avian virus as some virologists had suspected — leaving scientists to wonder why the strain was so deadly.
The more humans that an
avian virus infects, Stöhr says, the greater the risk that it will morph into a
flu pandemic.
Avian flu has a very low virulence, but the danger is that it could combine with a highly virulent human
flu virus or mutate into a
virus with a higher R number.
It has become almost common wisdom that the
virus that caused the 1918
flu pandemic was an
avian strain introduced into the human population shortly before the pandemic erupted.
Avian flu (also «bird flu», «avian influenza», «bird influenza»), means «flu from viruses adapted to birds», but is sometimes mistakenly used to refer to both other flu subsets (such as H5N1 flu) or the viruses that cause them (such as H
Avian flu (also «bird
flu», «
avian influenza», «bird influenza»), means «flu from viruses adapted to birds», but is sometimes mistakenly used to refer to both other flu subsets (such as H5N1 flu) or the viruses that cause them (such as H
avian influenza», «bird influenza»), means «
flu from
viruses adapted to birds», but is sometimes mistakenly used to refer to both other
flu subsets (such as H5N1
flu) or the
viruses that cause them (such as H5N1).
Yoshihiro Kawaoka of the University of Wisconsin at Madison studied a hybrid
flu virus made from the
avian H5 and the human H1N1 pandemic
flu of 2009.
The accusation that Capua and others set off a human epidemic made no sense, she said, because one mild
flu case does not constitute an epidemic; moreover, the
avian virus she allegedly spread was a different strain than the one that killed the birds in Italy.
The human influenza
virus H1N1 that caused the 2009
flu pandemic, and H9N2, an
avian influenza
virus that is endemic in bird populations in Asia, are close cousins — close enough that they can swap genes if they find themselves in the same cell, resulting in new
viruses that are a patchwork of the parent strains.
There currently is no vaccine for
avian flu, which is caused by a highly contagious
virus that is often fatal to birds and can be passed to humans (ScienceNOW, 9 February).
But scientists predict that the
avian -
flu virus could someday give rise to a fast - spreading strain against which people would have less immunity than they do to a typical winter
flu.
Similar to the results obtained with cultured human cells, the transgenic mice were resistant to
avian influenza
viruses but susceptible to
flu viruses of human origin.
More importantly, Gack found that
avian, swine, and human
flu viruses block TRIM25 to evade immune defense by RIG - I, unraveling a molecular target for the design of antiviral drugs and vaccines.
We knew it was going to be
avian flu or swine
flu that made the jump into humans and we've always been concerned about
flu viruses that infect swine, birds, and humans — there are 30 or so in total.
From WebMD: «Lauric acid is used for treating viral infections including influenza (the
flu); swine
flu;
avian flu; the common cold; fever blisters, cold sores, and genital herpes caused by herpes simplex
virus (HSV); genital warts caused by human papillomavirus (HPV); and HIV / AIDS.
Known Uses:
virus prevention autoimmune disorders [tab name = «Overview»] Antiviral / Anti-inflammatory / Antirheumatic / Antioxidant / Diuretic Laboratory trials during 2005 at a research institute in London resulted in findings that Black Elderberry is 99 % effect against the
Avian Flu (H5N1)
virus.
For folks concerned that this is the next bird
flu, it's not worth the alarm, as the
virus responsible for
avian flu is much more serious, compared to the bacterial psittacosis (Also, it's worth noting that the H7N9
avian virus has not been detected in the United States — neither in humans nor birds.)
Avian (bird) flu is caused by influenza A avian viruses that occur naturally among b
Avian (bird)
flu is caused by influenza A
avian viruses that occur naturally among b
avian viruses that occur naturally among birds.
These experts diagnose diseases, inspect meat and poultry, oversee communicable disease programs (West Nile
virus, rabies, BSE,
avian flu, etc.) and conduct research.
You can visit their website on issues regarding rats, West Nile
virus, bed bugs,
avian flu and other public health situations in NYC.
The new
viruses that are created by this process are more likely to be able to jump to a new species than those created by the simple mutations of antigenic drift (which is why «swine
flu» and «
avian flu» are portrayed as particularly ominous in relation to human infection).
In a recent development, the Environmental Protection Agency (EPA) was forced to admit that a patented liquid silver solution called Axen30TM when used as a surface disinfectant had the ability to kill multiple strains of MRSA plus additional deadly pathogens such as
Avian Influenza A (Bird
Flu), Human Corona
virus (SARS), Feline Calicivirus (Norovirus), Rotavirus, Campylobacter jjejuni and Acinetobacter baumannii.