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12.10.2009, 05:59 PM
Fancy stats and modelling I'm sure. Its not like they are going to test that many people, but they can make inferences from they tested levels of infections and the types of populations that are being tested.
IDK if its right or not.
I do know I have two small kids in daycare, and they always bring home lots of bugs. Had a few nasty colds recently that went on for a while. Who knows if that's SF and no one got that ill from it. Hard to say
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