Reports of oxacillin-susceptible mecA-positive Staphylococcus aureus strains are on the rise. Because of their susceptibility to oxacillin and cefoxitin, it is very difficult to detect them by using routine phenotypic methods. We describe two such isolates that were detected by chromogenic medium and confirmed by characterization of the mecA gene element.

Red foxes that have been selected since 1959 for tameness to humans show some of the sociocognitive abilities of domestic dogs, raising questions for theories of the evolution of cognition.