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).
Besser said officials were already taking preliminary steps toward manufacturing a vaccine
against the influenza strain responsible for swine flu.
In studies that looked at its efficacy
against influenza strains A & B, Elderberry was found to shorten the duration of the flu from the typical 7 days to 4 days.
FYI - If your pet has previously received a canine influenza vaccine, that vaccine protects
against the influenza strain H3N8, but does not protect against the new strain, H3N2.
Not exact matches
These included the past two flu seasons in which vaccines offered only limited protection
against the most widely circulating
strain of
influenza A.
Are we close to being able to develop a universal flu vaccine that would confer immunity
against all
strains of
influenza?
Annual flu vaccines are formulated to protect
against one type of
influenza B and two
strains of
influenza A, one H3N2
strain and one H1N1
strain.
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.
Scientists may be able to create a «universal» vaccine that can provide broad protection
against numerous
influenza strains, including those that could cause future pandemics.
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.
Seasonal
influenza vaccines are effective
against strains that are identified each spring in sentinel laboratories.
These antibodies protect
against certain
strains of
influenza virus in the vaccine, but may not provide thorough protection
against other
strains of flu that may be present.
«This new synthetic DNA - based strategy — termed DMAb's — delivers monoclonal antibodies that provide protection
against highly diverse
strains of
influenza.»
This one - two punch protected the test subjects
against influenza A viruses that had emerged in 1934 and 2007, and other experiments showed that the antibodies it generated successfully neutralized a wide variety of flu
strains.
Back to the future: Immunization with M - 001 prior to trivalent
influenza vaccine in 2011/12 enhanced protective immune responses
against 2014/15 epidemic
strain.
Some
strains of Agarikon, for example, show strong activity
against influenza viruses; others do not.
Image courtesy of Vmenkov / Wikimedia Commons After public outcry
against research into avian flu
strains that can be transmitted among mammals, 40 of the top scientists working on the
influenza strains signed a voluntary moratorium on research last January.
Investigators showed the new strategy protected mice — vaccinated
against the H3N2
influenza A flu
strain, which causes mild disease — from succumbing to the more dangerous H5N1 and H7N9
strains weeks later.
But «the breadth of protection
against numerous
influenza strains was not investigated here,» and will be important work for the future, he says.
In an ambitious study, the authors attempt to trace drug resistance
against all
strains of the flu by using an extensive
influenza virus database containing all known genetic sequence information (70,000 complete nucleotide sequences) for
influenza strains.
According to WHO statistics, 300 million people are vaccinated
against the flu each year, receiving an immunization with a cocktail of weakened
strains of
influenza A (varieties H3N2 and H1N1), along with the
influenza B virus to protect
against a full infection.
The transmissible viruses were sensitive to the antiviral drug oseltamivir and reacted well with antisera raised
against H5
influenza vaccine
strains.
Influenza pandemics occur when a totally new
strain of the virus emerges,
against which nobody's immune system is fully prepared; that's why both the healthy and the weak are vulnerable.
Unlike antibodies elicited by annual
influenza vaccinations, most neutralizing antibodies induced by pandemic H1N1 infection were broadly cross-reactive
against epitopes in the hemagglutinin (HA) stalk and head domain of multiple
influenza strains.
1009 - 3B06 and 70 - 1F02 showed protection
against these antigenically distinct H1N1
influenza strains, as illustrated in Fig. 5.
This protein can protect cultured human cells from avian
influenza viruses but is ineffective
against strains that have acquired the ability to infect humans.
Several of the antibodies we isolated have broad neutralization capacity in vitro
against divergent
influenza strains and show potent prophylactic and therapeutic activity when used to treat mice that were lethally infected with
influenza.
Their results, the researchers conclude, «show that computationally designed proteins have potent anti-viral efficacy in vivo and suggests promise for development of a new class of HA stem - targeted antivirals for both therapeutic and prophylactic protection
against seasonal and emerging
strains of
influenza.»
In conclusion, the antibodies characterized herein show promise for development as broadly reactive therapeutic agents
against the pandemic H1N1
influenza virus, as well as
against the majority of H1N1 and H5N1
influenza strains.
Finally, 1009 - 3B06 and 70 - 1F02, which showed activity
against several current and older H1N1 seasonal
influenza strains in vitro (Fig. 3 C), were also tested in vivo
against antigenically distinct
influenza strains.
Consequently, most neutralizing antibodies were broadly reactive
against divergent H1N1 and H5N1
influenza strains.
In the search for drugs that act broadly
against different
influenza strains, researchers had previously shown that antibodies
against the HA stem region can prevent
influenza infection.
The data they collect is shared with the CDC's Advisory Committee on Immunization Practices and led to the CDC's recommendation
against LAIV last year after data from the two previous flu seasons showed it to be ineffective at preventing
influenza A, which is typically the most common
strain.
Influenza vaccines that better target the influenza surface protein called neuraminidase (NA) could offer broad protection against various influenza virus strains and less
Influenza vaccines that better target the
influenza surface protein called neuraminidase (NA) could offer broad protection against various influenza virus strains and less
influenza surface protein called neuraminidase (NA) could offer broad protection
against various
influenza virus strains and less
influenza virus
strains and lessen the...
A modeling - based comparison of broad - spectrum
influenza vaccines
against conventional,
strain - matched vaccines» by Rahul Subramanian et al. published in PLOS Computational Biology on Thursday 15 December 2016.
January 10, 2011 H1N1 pandemic points to vaccine strategy for multiple flu
strains Although the 2009 H1N1
influenza pandemic infected an estimated 60 million people and hospitalized more than 250,000 in the United States, it also brought one significant benefit — clues about how to make a vaccine that could protect
against multiple
strains of
influenza.
«
Influenza yearly protection is important for preventing the flu,» said Spicehandler, who is co-chief of infectious diseases at Northern Westchester Hospital in Mount Kisco, N.Y. «Each year the vaccine is made up of different
strains to protect
against what viruses are prevalent.»
Elder berries are known to be effective
against eight
strains of
influenza.
There have been many scientific studies that point strongly to the effectiveness of Elderberries
against viruses, particularly
Influenza A and B
strains.
Flu Shot Only Ten Per Cent Effective by Jeffrey Dach MD The Australian Department of Health reported the Flu Vaccine is only 10 % effective
against the predominant
strain of
Influenza A (H3N2).
However, you can get a yearly vaccine that protects
against many common
influenza strains.
Introducing VANGUARD ® CIV H3N2 / H3N8, a bivalent canine flu vaccine with demonstrated safety and efficacy for protection
against both highly contagious H3N2 and H3N8
strains of canine
influenza virus (CIV).
The doctors of Roscoe Village Animal Hospital are recommending that dogs who spend any time socializing with other dogs at dog parks, or go to boarding, day care or grooming facilities be vaccinated
against the H3N2
strain of canine
influenza.
FLORHAM PARK, N.J., Sept. 9, 2014 — Zoetis has partnered with the renowned Gluck Equine Research Center at the University of Kentucky to show that FLUVAC INNOVATOR ®, the first equine
influenza virus (EIV) vaccine, can provide a demonstrated cross-reactive immune response
against emerging EIV
strains.
A new study shows that pigs vaccinated
against one
strain of
influenza were worse off if subsequently infected by a related
strain of the virus.
The Guidelines state that «Any dog deemed at risk for exposure to
influenza virus should be vaccinated
against both H3N2 and H3N8
strains.»
«Pfizer Animal Health is committed to monitoring swine
influenza viruses and bringing to the market vaccines that help protect
against SIV
strains circulating in pork production systems today,» said Kuhn.
This information provides only a small look at some of the advantages and results you'll see from a vaccine that offers cross-protection
against different swine
influenza strains.
We carry a bivalent vaccine, which protects
against both
strains of Canine
Influenza (H3N8 and H3N2).
We have the newly released vaccine that provides protection
against both the H3N8 and H3N2 Canine
Influenza strains that we are seeing in the reported cases.