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Remember when my husband and I came down with the swine flu a couple of years ago? Since having that flu, I've noticed that I've rarely been ill, and haven't felt that sick in a long time (with the exception of eating bad food over the weekend). There may be a reason as to why my husband and I aren't as prone to having flus as we were before having the swine flu:

What researchers are now discovering is what swine flu leaves behind: a superpowered immune system with antibodies that can kill off any new flu virus, not just a return of H1N1.

Recent research on nine swine flu survivors revealed that the infection had caused all their immune systems to go into overdrive, creating a huge range of flu antibodies that aren't needed to fight off swine flu but would be very useful if any number of other flu strains tried to invade the subjects' bodies. More common flu strains like the seasonal flu or the very mild flu virus used to create the flu vaccine don't activate this many antibodies, suggesting there's something unusual about H1N1 that triggers this powerful immune response.

continued below....

The power of the H1N1 immune response is extraordinary. According to the researchers, five of the types of antibodies isolated in their research would be enough to fight off all seasonal flu variations, the Spanish flu virus that killed as many as 50 million people in the pandemic of 1918, and a potentially deadly bird flu strain known as H5N1.

The researchers say the uniqueness of the swine flu is what triggered this response. The immune system didn't immediately know what to do with the virus, so it started creating lots of different antibodies based on its memory of other flu viruses it had previously encountered. By the time the immune system found the right antibodies to fight off the swine flu, enough had been created to ward off all other influenza variants as well. We don't know yet whether the H1N1 vaccine also transferred these super immunity properties, although that's next on the researchers' to-do list.

Now, isn't science cool? Even though it may take up to five years for an universal flu vaccine to be available, this is still very interesting news about the swine flu. It doesn't mean that it shouldn't be taken seriously, or that we should take precautions against it, just that it has a very interesting outcome which is being studied by researchers.

Originally posted to slinkerwink on Wed Jan 12, 2011 at 10:12 AM PST.

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