Science Questions

How many strains of MRSA are there?

Tue, 20th Mar 2012

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Question

Nat Spirit, Second Life asked:

How many strains of MRSA are there?Ē

Answer

Estee -   We don't actually know how many strains of MRSA there are.  They're incredibly diverse organisms and there are likely to be hundreds of thousands really, but as we havenít sequenced all that many, we don't know exactly how many there are in the world.

Chris -   Itís not a new problem though is it, something that's been around for quite a few years, 30, 40 years.

Estee -   Absolutely, but the previous typing methods that we have are relatively blunt instruments and they can group them into sort of groups of strains but we don't know how many individual strains there are.

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