Another study conducted using Revamil® medical-grade honey (RS honey) produced in the Netherlands at a concentration of 40% (v/v) also demonstrated anti-bacterial activity against resistant strains of bacteria such as MRSA, methicillin-resistant S. epidermidis (MRSE), vancomycinresistant
Enterococcus faecium (VREF), extended-spectrum beta-lactamase (ESBL) producing P. aeruginosa, and
Burkholderia cepacia.