Sentences with phrase «influenza strains»

The result is often a new influenza strain born with genetic information from multiple parental strains.
The study was also of interest in that the benefit observed was during a year in which the dominant circulating influenza strain was one where benefit from vaccination has been questioned for this population.
Several human influenza strains can cause influenza in ferrets.
The estimated within - school reproduction rate, or number of new infections caused by an infected person, was 3.3, comparable to school - based outbreaks of other influenza strains.
But «the breadth of protection against numerous influenza strains was not investigated here,» and will be important work for the future, he says.
«We need to monitor the viruses that are circulating, and try to stop mixing influenza strains from different geographic locations,» he says.
Each year, scientists create an influenza (flu) vaccine that protects against a few specific influenza strains that researchers predict are going to be the most common during that year.
The findings highlight a novel way to generate antibodies that recognize and target proteins shared by most influenza A strains rather than those unique to each strain.
It is widely noted that influenza strains vary each year.
However, you can get a yearly vaccine that protects against many common influenza strains.
The finding will allow researchers to refine their search for new influenza strains and manufacture a yearly vaccine designed to give recipients resistance to the right ones.
However, even in previous years when the vaccine has been well - matched to circulating influenza strains, effectiveness has been low (40 to 60 percent).
The vaccine, called NDV - H5Nx, protects chickens and likely other poultry against the three recently introduced U.S. avian influenza strains H5N1, H5N2 and H5N8, as well as against Newcastle disease virus — a virus that naturally affects poultry.
The debate continues about two papers that resulted in H5N1 influenza strains that are more easily transmissible between mammals and may have the potential to trigger a pandemic.
March 15,2016 To Our Valued Midlothian Animal Clinic Clients, We want to share important updates on the status of the new Canine Influenza strain H3N2 first identified in April 2015.
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.
We want to share important updates on the status of the new Canine Influenza strain H3N2 first identified in April 2015.
Their findings suggest that the transmission and spread of novel H1N1 influenza are similar to those of seasonal influenza strains.
Four European countries have ordered a vaccine tailor - made for the new H1N1 influenza strain by GlaxoSmithKline.
A proactive infection prevention plan implemented widely in a Hong Kong healthcare system was a significant factor preventing the spread of influenza strain A H7N9, otherwise known as Avian flu.
«That is not enough for a country that seems to be a natural bioreactor for influenza strains,» says Michael Greger, director of public health and animal agriculture at the Humane Society of the United States.
A part of the research will include analyzing exactly why this year's flu vaccine proved so ineffective against the most common strains circulating (the shot was just 25 % effective against influenza A strains).
The Medical Systems Virology group at FIMM, together with collaborators has recently sequenced genomes of 135 pH1N1 influenza strains isolated from Finnish patients in 2009 - 2013 and found one Tamiflu - resistant strain from the 2012 - 2013 epidemic season.
Like different picks in a locksmith's tool, the 17 known subtypes of hemagglutinin, a surface protein on influenza strains, match different sialic acid receptors on a host cell.
An international team of scientists has identified several genetic mutations that, should they arise, could potentially allow the avian influenza strain H7N9 to spread between humans.
Antibodies generated potently protected and rescued mice from lethal challenge with pandemic H1N1 or antigenically distinct influenza strains, making them excellent therapeutic candidates.
A migratory waterfowl carrying multiple influenza strains nudged another bird, one with a different cocktail of influenza, and the viruses swapped pieces of genetic code in a process called reassortment.
Potential pandemic influenza strain H7N9's gracile structure is captured in a negatively stained transmission electron migrograph (TEM).
Severity is tricky to define as it includes everything from the virulence of a particular influenza strain to the vulnerability of a particular population and its ability to respond, Fukuda said, which means it can differ from place to place.
Beck infected mice with influenza strain A / Bangkok / 1 / 79.
In the U.S., only VETERA XP vaccines contain the equine influenza strains recommended by the OIE Expert Surveillance Panel on Equine Influenza.
Indeed, weakening influenza strains by passaging them in animals is an old technique for making human vaccines, including those for polio and yellow fever, according to virologist Vincent Racaniello of Columbia University.
Based on these observations, we postulate that the plasmablasts producing these broadly neutralizing antibodies were predominantly derived from activated memory B cells specific for epitopes conserved in several influenza strains.
Sasisekharan and colleagues are now doing a similar genetic study of H5 influenza strains.
The creation of novel, transmissible, virulent influenza strains is exceptionally risky and has little public health benefit; such research should be stopped.
Pregnant women, seniors and children while particularly vulnerable to the annual influenza strain may be putting themselves at greater risk by choosing to be immunized by the «flu shot».
The first canine influenza strain emerged in 2004, according to the American Veterinary Medical Association.
In a series of experiments, the researchers found that 95 % of mice vaccinated with the investigational cocktail were protected against a lethal challenge with eight different influenza strains expressing seven different influenza A subtypes, compared to only 5 % of mice who received mock vaccinations.
The researchers who created the viruses, Yoshihiro Kawaoka at the University of Wisconsin - Madison and Ron Fouchier of Erasmus Medical College in Rotterdam, both mutated an existing influenza strain so it could attach to cells in mammalian upper airways.
But how does this flu measure up to SARS and to other threatening influenza strains like the H5N1 avian flu virus?
Highly pathogenic (dangerous) influenza strains elicit a strong immune response which can lead to uncontrolled inflammation in the lung and potentially fatal lung injury.
Influenza strains often mutate and reassort — it's why creating the annual flu shot is a tricky process of guessing, months ahead, what viruses we'll actually face.
The H5N1 avian influenza strain developed strong resistance to oseltamivir, better known as Tamiflu, in two Vietnamese patients who died from the virus early this year, according to a new study.
Experts have long worried that if a human influenza virus and the H5N1 avian influenza strain now circulating across much of the globe were to combine their genes, the result could be a disaster — a lethal virus that spreads easily among people.
Then, in a 2011 paper in Science, immunologist Antonio Lanzavecchia at the Institute for Research in Biomedicine in Bellinzona, Switzerland, reported isolating a rare «broadly neutralizing antibody,» able to fight off many influenza strains.
Risk for person - to - person transmission in A H7N9 is lower compared to other viruses including certain influenza strains, but some cases were identified as being spread between relatives.
Countries are sometimes reticent to share data or samples with foreign researchers or organizations; Indonesia, for instance, refused to share influenza strains with WHO for some time because it feared it would not benefit if the viruses were used to produce a pandemic vaccine.
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