Cooler weather, novelty of virus spreads H1N1

Wednesday, September 2, 2009 | 7:10 p.m. CDT; updated 11:05 a.m. CDT, Thursday, September 3, 2009

JEFFERSON CITY — A Missouri health official said that cool summer temperatures are partly responsible for the increase in H1N1 cases as students head back to the classroom.

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