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Get ready for some time off work, the flu vaccine has missed a growing new strain.....
As Americans scramble for scarce doses of flu vaccine in hopes of warding off the respiratory bug this winter, the wily influenza virus may have other plans. Through a natural process known as antigenic drift, a new strain of influenza that can diminish the effectiveness of today's vaccine is already emerging on the far side of the world......
http://www.sfgate.com/cgi-bin/articl.../10/24/FLU.TMP
i think this is pretty much the case every year....the vaccine is based on the prior year's strain of the virus so it's common for it to not be completely effective against flu "upgrades" (new strains)
the flu shot had the same problem last yr also...
edit: what nikegurl said
This will always be a possibility, but if the vaccine can eliminate the one major strain that it was created for then hopefully it can still save a lot of lives. There may be other strains that the vaccine will not ward off, but if it can eliminate, or tame any of the bad ones it can still be a major benefit in saving lives.
Nobody has the power of eliminating them all.
agreed :thumb: