FXN and nosocomial infection: Moreover, strains with FarRC116Y, FarRE160G, FarRE93EE, and FarRG166D all appear to have emerged within CC5 MRSA, such that repeated exposure of MRSA to antibiotics and host-derived antimicrobial fatty acids in the context of nosocomial infections could be a driving force in the emergence of FarR variants in CC5 MRSA.