Fig. 2
From: Interhospital transmission of vancomycin-resistant Enterococcus faecium in Aomori, Japan
Number of VREf-positive patients per month in all affected hospitals. The monthly number of VREf-positive patients is shown for hospitals A–N. The numbers include new patients and those who repeatedly tested positive for VREf. Hospitals B and C are major tertiary general hospitals in adjacent medical regions