CHEYENNE - When colds and flu germs spread through a school, the meaning of the three R's changes from reading, 'riting and 'rithmetic to reading, 'riting and rhinovirus.
Schools are germ magnets, according to a study by microbiologist Charles Gerba at the University of Arizona.
His research shows that teachers have the "germiest" jobs of any office-type work.
At 17,800
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