(a)Weighted average of the standardized monthly incidence of <i>C</i>. <i>difficile</i> infection by hemisphere.

Abstract

<p>(b)Weighted average of the standardized monthly incidence of <i>C</i>. <i>difficile</i> infection by hemispheres. For ease of comparison, the Southern Hemisphere plot was moved 6 months (in the x-axis) thus the meteorological seasons align between hemispheres.</p