Sentences with phrase «of human influenza»

A veterinarian might decide to run a rapid, «on - site» test, or immunoassay, to support a possible flu diagnosis, which reliably detects components of human influenza A in human respiratory secretions.

A new study, led by Assistant Professor Vijay Dhanasekaran and Associate Professor Gavin Smith from Duke - NUS Graduate Medical School (Duke - NUS), has presented the largest comparative analysis of human influenza B viruses undertaken to date.

«These characteristics fit with increased virulence of these emerging avian H7 viruses compared to that of human influenza viruses,» says Dr. Kuiken.

The document was crafted to help foodservice distributors — and other members of the foodservice supply channel — plan for the far - reaching effects of a human influenza pandemic.

Not exact matches

This was the most severe influenza outbreak of the twentieth century and, in terms of total numbers of deaths, possibly the most devastating epidemic in human history.

An infectious disease caused by type - A strains of the influenza virus that is transmittable from birds to humans.

Pigs can catch human strains as well, and influenza is one of the most costly porcine pathogens for the $ 19 - billion, 113 - million - hog U.S. industry.

The swelling circles represent the amount of human - origin influenza in swine population, «with the viral populations increasing first in Oklahoma and then in Minnesota and Iowa,» as pigs move from the south - central to the Midwest.

There have been a number of significant pandemics in human history, generally zoonoses that came about with domestication of animals - such as influenza and tuberculosis.

Nelson and her colleagues found that flu in pigs «follows long - distance swine movements from the southern U.S. to the Midwest,» with most of the human - origin H1N1 arriving at Midwest hog farms coming from the Southeast, and most of the swine - origin H1N2 coming from the south - central U.S. And that means the Midwest, as the final destination for many of these pigs, is «likely to provide a reservoir for multiple genetically distinct variants to co-circulate and exchange segments via re-assortment because of the continual importation of swine influenza viruses from other regions,» the researchers noted.

There are a relatively limited number of documented cases of zoonotic [human - communicable] swine influenza in the literature.

Yet a novel strain of the influenza A (H1N1) virus jumped species and burst into the human population in March and April, and by late May health and agriculture officials were still trying to figure out where it came from.

«You render the most pathogenic influenza virus known to humans nontransmissible — that's fascinating,» says bioengineer Ram Sasisekharan of the Massachusetts Institute of Technology, who was not part of the study.

An international team of influenza researchers in China, the United Kingdom and the United States has used genetic sequencing to trace the source and evolution of the avian H7N9 influenza virus that emerged in humans in China earlier this year.

The team focused on these antibodies, which together target the two types of influenza viruses that contain all strains known to cause disease in humans.

Among the copious species of poultry in China, quail and chickens are the likely sources of infection of H7N9 influenza virus to humans, according to a paper published ahead of print in the Journal of Virology.

These animals are common hosts for the influenza virus, which comes in a wide range of strengths and types — some of which can infect humans.

Since then, he and his colleagues have modified the sequences of influenza viruses to bind to a natural microRNA expressed in humans and mice, in essence developing a virus that's knocked down by the body's natural microRNA.

The study, led by Nancy J. Cox of the Centers of Disease Control and Prevention describes a molecular analysis of the novel influenza A (H1N1) virus infecting humans in several parts of the world.

If further studies in humans prove successful, this research could have broad implications for the prevention of influenza and, by extension, as an approach for other infectious diseases as well.

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

Pandemic flu continues to threaten public health, especially in the wake of the recent emergence of an H7N9 low pathogenic avian influenza strain in humans.

The new flu, known as H7N9 avian influenza, latches onto sugars that coat bird cells — and it can cling to sugars on human cells too, Yuelong Shu of the China Center for Disease Control and Prevention and colleagues...

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.

Pigs have multiple influenza receptors and can harbor human and avian strains of the virus in addition to their own, leading to reassortment.

Researchers quickly discovered that the virus was a type of avian influenza, known as H7N9, never before seen in humans.

In March 2013 the first human infections with the avian influenza A (H7N9) virus were reported in China, and since that time hundreds of cases have been documented.

The newly discovered viruses appeared in every family or genus of RNA virus associated with vertebrate infection, including those containing human pathogens such as influenza virus.

In early 2009, a novel influenza A (H1N1) virus appeared in humans, containing a unique combination of influenza genes which had not previously been identified in animals or people.

A total of 145 patients has been diagnosed in recent weeks with a strain of the H3N2 animal influenza virus, but it likely has not yet evolved the ability to transmit efficiently between humans

«I'm not saying that everyone who has influenza is cognitively impaired for 10 years,» he says, noting that human brains are much more complex than those of mice.

«RNA interference is activated in human response to influenza, other important viruses: Discovery could lead to better ways of combating serious infections, including Ebola and Zika.»

These results firmly establish broad antiviral activity of Ci extracts against various major human viral pathogens, including previously reported activity against influenza viruses.

The paper focuses on two key molecular players in the story of influenza infection: a human protein called TRIM25, which was recently discovered to play an important role in the human immune response to flu infection; and a protein called NS1 present in all strains of the influenza A virus and shown to bind TRIM25 to keep it from doing its job.

Just as flu season swings into full gear, researchers from the University of Colorado Boulder and University of Texas at Austin have uncovered a previously unknown mechanism by which the human immune system tries to battle the influenza A virus.

A new study has found that a novel avian - origin H7N9 influenza A virus, which has recently emerged in humans, attaches moderately or abundantly to the epithelium of both the upper and lower respiratory tracts.

Using virus histochemical analysis, the investigators looked at the pattern of attachment of two genetically engineered emerging H7 viruses (containing the hemagglutinin (HA) of either influenza virus A / Shanghai / 1 / 13 or A / Anhui / 1 / 13) to fixed human respiratory tract tissues and compared the findings to attachment patterns seen with human influenza viruses with high transmissibility but low virulence (seasonal H3N2 and pandemic H1N1) and highly pathogenic avian influenza (HPAI) viruses with low transmissibility and high virulence (H5N1 and H7N7).

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.

Currently, seasonal flu vaccines are designed to induce high levels of protective antibodies against hemagglutinin (HA), a protein found on the surface of the influenza virus that enables the virus to enter a human cell and initiate infection.

Question: And is this the first known case in the world of the countries that are experiencing outbreak of human swine influenza where you've seen the flu infect a pig?

The first report of infections of humans with the influenza A virus of the subtype H7N9 surfaced in March 2013.

All influenza viruses ultimately come from birds, and the paper begins the somewhat operatic and knotty story of this outbreak's origins with an H1N1 first isolated in swine in 1930, which itself was a close relative of the virus that caused the 1918 pandemic in humans.

When they delivered this virus into the noses of mice and ferrets, the animals» epithelial cells produced the desired antibodies; they then «challenged» the animals with a range of dangerous influenza viruses that no single vaccine can outwit, including H5N1, which kills both birds and humans, and the H1N1 that caused the infamous 1918 pandemic.

Unfortunately, we have already seen certain trading partners implement trading restrictions based of the detection of H1N1 influenza virus in humans.

They found that like other avian influenza viruses, the H7N9 viruses attached more strongly to lower parts of the human respiratory tract than to upper parts.

It's been well researched, by studies, by world organizations, by the Centre for Disease Control in Atlanta, other organizations that have all unanimously come to the conclusion that consumption of pork is not a risk factor for transmission of influenza virus from swine to human.

A steep increase of human cases of avian influenza A (H7N9) has been reported since the beginning of December 2016 from China.

«The whole purpose is to study the responses of human and animal bodies to infection from influenza, Ebola, SARS and MERS, and to understand how they occur,» Kawaoka explains.

Using X-ray crystallography, performed at the European Synchrotron Radiation Facility (ESRF) in Grenoble, Cusack and colleagues were able to determine the atomic structure of the whole polymerase from two strains of influenza: influenza B, one of the strains that cause seasonal flu in humans, but which evolves slowly and therefore isn't considered a pandemic threat; and the strain of influenza A — the fast - evolving strain that affects humans, birds and other animals and can cause pandemics — that infects bats.

Since at least 2005, researchers have been deliberately creating influenza viruses that are both highly virulent (killing several percent or more of those infected) and spread easily among humans.