Fig. 3
From: Interhospital transmission of vancomycin-resistant Enterococcus faecium in Aomori, Japan
Changes in the proportion of VREf on E. faecium all 47 prefectures of Japan. Outbreaks at multiple hospitals in the same period caused a sharp peak in the proportion of VREf. The remarkable size of the area under the curve representing Aomori prefecture indicates the epidemiological importance of the series of VREf outbreaks in this prefecture