Tutkijat ovat todenneet, että tavallinen kausi-influenssarokote tai sen sairastaminen saattaa antaa jonkinlaista riskikkäissuojaa sikainfluenssaa vastaan:
http://pandemicinformationnews.blogspot.com/
Thursday, November 12, 2009
Swine flu: One killer virus, three key questions
Published online 11 November 2009 | Nature 462, 154-157 (2009) | doi:10.1038/462154a
Nature reports from three laboratories scrutinizing the pandemic flu virus.
Brendan Maher & Declan Butler
...The first thing the researchers did with the samples of pandemic H1N1 was to compare its transmissibility with that of seasonal flu. They squirted about 10,000 infectious H1N1 particles up the noses of four guinea pigs and, a day later, placed these animals in cages next to uninfected animals, separated by wire-mesh walls that allow respiratory droplets to pass through. Within five days all the exposed animals tested positive for the virus. The team's paper, published last month in the Journal of Virology, suggests that the H1N1 swine flu virus transmits just as efficiently as seasonal flu4. This is contrary to some work on transmission done at the start of the pandemic5 but mirrors real-world data showing that H1N1 spreads rapidly. "The pandemic sort of scooped us," says Lowen.
---> Palese's group also found that previous exposure to the H1N1 and H3N2 subtypes of seasonal influenza limits the ability of exposed animals to become infected with the pandemic H1N1, which supports the idea that a seasonal flu infection or vaccine might offer some cross-protection against swine flu.
...
http://pandemicinformationnews.blogspot.com/
Thursday, November 12, 2009
Swine flu: One killer virus, three key questions
Published online 11 November 2009 | Nature 462, 154-157 (2009) | doi:10.1038/462154a
Nature reports from three laboratories scrutinizing the pandemic flu virus.
Brendan Maher & Declan Butler
...The first thing the researchers did with the samples of pandemic H1N1 was to compare its transmissibility with that of seasonal flu. They squirted about 10,000 infectious H1N1 particles up the noses of four guinea pigs and, a day later, placed these animals in cages next to uninfected animals, separated by wire-mesh walls that allow respiratory droplets to pass through. Within five days all the exposed animals tested positive for the virus. The team's paper, published last month in the Journal of Virology, suggests that the H1N1 swine flu virus transmits just as efficiently as seasonal flu4. This is contrary to some work on transmission done at the start of the pandemic5 but mirrors real-world data showing that H1N1 spreads rapidly. "The pandemic sort of scooped us," says Lowen.
---> Palese's group also found that previous exposure to the H1N1 and H3N2 subtypes of seasonal influenza limits the ability of exposed animals to become infected with the pandemic H1N1, which supports the idea that a seasonal flu infection or vaccine might offer some cross-protection against swine flu.
...
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