Busy day here, but I do have a brief post up on MRSA over at Correlations if you're looking for some reading material.
[Edited to add: Mike has a lot more new MRSA stuff here; well worth reading!]
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The Infectious Disease Society of America (IDSA) has released a list of the six drug-resistant pathogens scientists should be most concerned about.
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A little over a year ago I put a post up documenting research out of Canada which found methicillin-resistant Staphylococcus aureus (MRSA) in Canadian pigs. This had also been seen in Europe (with a lot of research coming out of the Netherlands). What I didn't note at the time was that we were…
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Check it out over at Donorcycle. And while you're thinking about blog carnivals, don't forget to send a post along to Jen (jshoener AT princeton DOT edu) at Science Matters for the upcoming edition of Animalcules.
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So where is the evidence that methicillin resistance in MRSA
means the resistant staph was the result of over-prescription of prior antibiotics ?
You mean the original mutation? Or the spread of the resistance?
What I'm searching for, is, why cannot there be virulent strains of staph., resistant to methicillin not caused by prior antibiotic interference and, whether that contamination cannot come from exogenous sources introduced into hospital settings ?
Like with all the bio-science ppl coming through this blog, and no one has an answer ?
What I'm searching for, is, why cannot there be virulent strains of staph., resistant to methicillin not caused by prior antibiotic interference and, whether that contamination cannot come from exogenous sources introduced into hospital settings ?
I don't think its that prior antibiotics cause mutations but in the absence of antibiotic there would be no selection for the resistant bacteria to outgrowth the sensitive bacteria.
Thank you, Dale, its a start.