Calgary researcher to lead study on E. coli infection in children

The University of Calgary entrance sign and arch are shown in a stock photo. (Getty Images) The University of Calgary entrance sign and arch are shown in a stock photo. (Getty Images)

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Democrat Sen. Raphael Warnock wins Georgia runoff against Herschel Walker

Democratic Sen. Raphael Warnock defeated Republican challenger Herschel Walker in a Georgia runoff election Tuesday, ensuring Democrats an outright majority in the Senate for the rest of U.S. President Joe Biden's term and helping cap an underwhelming midterm cycle for the GOP in the last major vote of the year.