Influenza Virus Mashup

(Tue, 23 Mar 2010 06:37:06 -0500)

We are now almost through the period considered to be the traditional flu season (to the end of March in the temperate northern hemisphere) and so far the amount of documented influenza infection is at a relatively low normal level and pneumonia and influenza deaths are about usual for this time of year. Said another way, there so far has been no big “third wave” of pandemic swine flu. Most flu experts didn’t know what would happen but if they had to bet, probably would have bet on a resurgence. I suppose it could still happen, since the original transmission in the community occurred “out of season” (April to June of last year). But now the odds look to be against it. So what lesson do we draw from this? I hope it’s not the wrong one:

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