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- H7N9 kills 2 more, causing new infections in China
- New Programme to Support Animal Welfare at Slaughter
- Brazilian researchers develop technique for mass breeding of stingless bees
- Meat Products in the European Union 2013-2023
- Agriculture can be an ally to biodiversity conservation
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Tag Archives: H1N1
The Pig Site – Our understanding of the importance of influenza A infection in pig production has evolved rapidly over the past 15 years. Greg Wideman of South West Ontario Veterinary Services explained the impacts of those developments to the 2013 London Swine Conference. Recent detection of novel subtypes of influenza A, such as H3N2, H1N2 and pandemic H1N1 in swine have heightened our awareness of this pathogen as a primary cause of swine disease and significant zoonotic (from animals to people) and reverse zoonotic (from people to animals) risk. This paper reviews some ways in which influenza A impacts the pig producer and swine veterinarian… Continue Reading Source: The Pig Site, November 29, 2013 Labex Korea on Twitter and Facebook
By Beth Mole
Nature – Preventing seasonal sniffles may be more complicated than researchers suspected. A vaccine that protects piglets from one common influenza virus also makes them more vulnerable to a rarer flu strain, researchers report today in Science Translational Medicine1.
The team gave piglets a vaccine against H1N2 influenza. The animals responded by making antibodies that blocked that virus — but aided infection with the strain H1N1, which caused a pandemic among humans in 2009. In the study, H1N1 infected more cells and caused more severe pneumonia in vaccinated piglets than unvaccinated ones.
The root of the different immune responses lies with the mushroom-shaped haemagglutinin protein found on the outside of influenza-virus particles, which helps them to attach onto cells in the airways. The protein occurs in all types of flu, but the make-up of its cap and stem vary between strains….>Continue Reading<<
Labex Korea on Twitter
MSN News — An outbreak of H1N1 flu has killed 17 people in Venezuela and infected another 250, private media and local authorities said on Monday.
H1N1, often referred to as swine flu, was a flu strain that swept around in the world in a 2009/2010 pandemic.
“We’re suffering a tail-end of the pandemic,” a former Venezuelan health minister, Rafael Orihuela, told a local TV station, commenting on the widespread reports of 17 deaths in the South American nation of 29 million people.
Most of the cases were in border states near Colombia.
Venezuela’s government has not confirmed the figures given by media and local health authorities. But officials said high-risk groups had largely been immunized, with 3 million vaccinations carried out so far this year.
The World Health Organization’s official data show 18,500 people were reported killed in the 2009/2010 H1N1 pandemic, but a study in The Lancet last year said the actual death toll may have been up to 15 times higher at more than 280,000.
Nature – As the world is transfixed by a new H7N9 bird flu virus spreading through China, a study reminds us that a different avian influenza — H5N1 — still poses a pandemic threat.
A team of scientists in China has created hybrid viruses by mixing genes from H5N1 and the H1N1 strain behind the 2009 swine flu pandemic, and showed that some of the hybrids can spread through the air between guinea pigs. The results are published in Science1.
Flu hybrids can arise naturally when two viral strains infect the same cell and exchange genes. This process, known as reassortment, produced the strains responsible for at least three past flu pandemics, including the one in 2009.