H. flu resistence

HANS BUSK hans.busk at dkb.dk
Wed Nov 16 16:33:00 EST 1994




As participant in the excellent QC'scheme from Collindale in London we
recieve bacterial strains for susceptibility testing. A few times we
have recieved Haemophilus influenzae resistent to ampicillin, but beta-
lactamase NEGATIVE.
As these strains repeatedly give us problems with our usual disc
diffusion method, I would like to know if it is a rare phenomenon, or do
they really pose a clinical problem somewhere in the world?
I know of course that the betalactamaseproducing strains is a major
problem in several places.

Yours
Hans Erik Busk
Denmark

hans.busk at dkb.dk
 * RM 1.3 02496 * PFAA -> Peoples Front Against Acronyms



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