On 19 Jun 1995, douglas c. comella wrote:
> Last week, a Staph aureus gave a negative result when the colony
> was taken from a chocolate agar plate while the test was positive
> from a colony growing on blood agar. The qc was okay.
> Has anyone had similar findings with the Murex reagent?
Not this pattern but for all systems (staphaurex, fasstaph) we have seen
some isolates fail that turned out to be aureus. Usually though, when
they fail, they stay failed, and are only detectable with the classic
tube coag test.
* Bob Morrell *
* bmorrell at isnet.is.wfu.edu *
* The operation was a success, as the autopsy will show *