Fig. 2

Stability of Klebsiella pneumoniae phage ΦK2046. A pH stability (compared to the pH = 7 group); B Temperature stability (compared to the 4℃ group); C Stability at different concentrations of chlorhexidine acetate (compared to the group without chlorhexidine acetate). Abbreviations: PFU, plaque forming unit; ND, not detected; P > 0.05 (ns), P < 0.05 (*), P < 0.0001 (****)