Sentences with phrase «avian influenza virus»

After weeks of debate, two controversial papers describing forms of the H5N1 avian influenza virus capable of transmitting between mammals should be published in full.

The virus is almost identical to a strain of avian influenza virus reported in Asia and may have spread to dogs in live bird markets, said AVMA.

The potential public health implication of this observation is that a person infected by H7N9 avian influenza virus who does not show symptoms could nevertheless spread the virus to others.

Domesticated birds may become infected with avian influenza virus through direct contact with infected waterfowl or other infected poultry, or through contact with surfaces (such as dirt or cages) or materials (such as water or feed) that have been contaminated with the virus.

Highly pathogenic avian influenza virus H5N1, which causes severe respiratory disease in humans, has been diagnosed in dogs and cats.

It came to North America as H5N8 where it mixed with other avian influenza viruses in the U.S. and Canada to form H5N2 and H5N1, Ma said.

Ebright: Future work with lab - generated transmissible avian influenza viruses should be performed only at the highest biosafety level, only at the highest biosecurity standard, and only after approval by, and under the oversight of, a national or international review process that identifies risks and benefits, weighs risks and benefits, mitigates risks, and manages risks.

In 2011, it became embroiled in heated debates about «gain - of - function» experiments with the deadly avian influenza virus H5N1 that made it more transmissible in mammals.

The mouse is described in a study, «In vivo evasion of MxA by avian influenza viruses requires human signature in the viral nucleoprotein,» that will be published April 10 in The Journal of Experimental Medicine.

An international team of experts concluded an investigative mission to China today with both sobering and encouraging findings about H7N9, a novel avian influenza virus recently found for the first time in humans.

Insights into Avian Influenza Virus Pathogenicity: the Hemagglutinin Precursor HA0 of Subtype H16 Has an Alpha - Helix Structure in Its Cleavage Site with Inefficient HA1 / HA2 Cleavage

The horse influenza viruses evolved from avian influenza viruses, and the recent appearance of clinically significant canine influenza apparently resulted from a mutation of the equine H3N8 virus.

Wild birds worldwide carry avian influenza viruses in their intestines, but usually do not get sick from them.

A laboratory test showing airborne transmission of the H7N9 avian influenza virus between the animals has raised fears that the virus is poised to become a human pandemic.

Using a laboratory technique called real - time reverse transcription - PCR to examine the virus's genetic blueprint, they found avian influenza virus (AIV) genetic material in eight samples - six adult penguins and two chicks.

«Avian influenza viruses evolve rapidly, and there are many subtypes of these viruses that we need to be concerned about because, in many cases, humans do not have immunity to these newer strains,» says senior study author Ram Sasisekharan of the Singapore - MIT Alliance for Research and Technology.

The H5 avian influenza A virus that devastated North American poultry farms in 2014 - 15 was initially spread by migratory waterfowl, but evidence suggests such highly pathogenic flu viruses do not persist in wild birds.

The H7N9 avian influenza virus emerged suddenly at the end of February and has infected 131 people.

This pattern has not been observed before for avian influenza A viruses.

Now researchers report new evidence for such a link: Mice infected with the H5N1 avian influenza virus lose the same dopamine - releasing neurons that are destroyed by Parkinson's disease.

At the request of the National Science Advisory Board for Biosecurity, Science and Nature have agreed to strike key details from papers in press describing how researchers made the deadly H5N1 avian influenza virus more transmissible between mammals.

The strain likely resulted from a reshuffling of several avian influenza viruses circulating in domestic ducks and chickens, Guan's group reported in 2013.

As a controversial study of the H5N1 avian influenza virus published online today in Science shows, researchers are keenly interested in how mutations in the virus» genes might enable it to become transmissible in humans.

The extracellular domain of the H5 or H7 protein of the respective avian influenza viruses was transplanted into the Newcastle disease virus vaccine strain LaSota in order to make the vaccine constructs.

DATE: March 28, 2018LOCATION: Boulders Beach, Western CapeDETAILS: In February, veterinarians detected H5N8 avian influenza virus in African penguins at Boulders Beach in the Western Cape.

«As the risks of such research and its publication are debated by the community, I argue that we should pursue transmission studies of highly pathogenic avian influenza viruses with urgency,» he writes in Nature.

The H7N9 avian influenza virus was first reported in humans in March 2013 in China.

«Novel avian influenza A virus has potential for both virulence and transmissibility in humans.»

This protein can protect cultured human cells from avian influenza viruses but is ineffective against strains that have acquired the ability to infect humans.

But Tompkins warns that repeated vaccinations with distinct hemagglutinins would probably be needed to protect birds from the many strains of avian influenza virus.

Two investigators whose controversial studies on deadly avian influenza viruses are among 11 on hold welcomed the end of the pause.

White House science adviser John Holdren has replied to questions asked last month by Representative Jim Sensenbrenner (R - WI) about how the Obama Adminstration has handled the controversy surrounding two studies that showed how to make the H5N1 avian influenza virus transmissible between mammals.

Poultry products exported by the Atlanta - based company are also challenged as a result of the avian influenza virus, which has led to many countries worldwide to close their doors to poultry imports altogether.

It is feared that if the avian influenza virus combines with a human influenza virus (in a bird or a human), the new subtype created could be both highly contagious and highly lethal in humans.

In February 2004, avian influenza virus was detected in birds in Vietnam, increasing fears of the emergence of new variant strains.

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.

Why would scientists deliberately create a form of the H5N1 avian influenza virus that is probably highly transmissible in humans?

The current H5N1 strain is a fast - mutating, highly pathogenic avian influenza virus (HPAI) found in multiple bird species.

A new version of the H7N9 avian influenza virus might be able to cause widespread infection and should be closely monitored, scientists say, although it currently doesn't spread easily between people.

However, compared to other avian influenza viruses, the attachment to epithelial cells by H7N9 in the bronchioles and alveoli of the lung was more abundant and the viruses attached to a broader range of cell types.

The term «highly pathogenic» refers to the ability of an avian influenza virus strain to produce disease in chickens.

The United States government has formally accepted a recommendation from a biosecurity advisory board to publish two controversial studies of the H5N1 avian influenza virus, moving the pair of papers another step closer to publication.

AMSTERDAM — Antibody tests now show that at least 1000 people contracted an avian influenza virus during a massive poultry outbreak in the Netherlands last year — many more than assumed.

Two groups of scientists who carried out highly controversial studies with the avian influenza virus H5N1 have reluctantly agreed to strike certain details from manuscripts describing their work after having been asked to do so by a U.S. biosecurity council.

The study made many headlines, in part because of the fear that the H5N1 avian influenza virus, which so far transmits poorly between humans, could undergo a similarly fateful transformation.