Mrsa | Deadly MRSA Strains 'on Increase'


Potentially deadly strains of MRSA that are easily passed between people outside of hospitals are increasing in the UK, experts say.

Dr Ruth Massey, from the Department of Biology and Biochemistry at the University of Bath, said extra vigilance was required around PVL-positive community acquired MRSA strains, including USA300, which has spread across the US and is now seen in the UK.

USA300 is a deadly strain of the superbug which can lead to a flesh-eating form of pneumonia, and passes easily through skin-to-skin contact.


It is resistant to treatment by several front-line antibiotics and can cause large boils on the skin. In severe cases, USA300 can lead to fatal blood poisoning or a form of pneumonia that can eat away at lung tissue.

Dr Massey said there were 1,000 cases of PVL-positive community acquired MRSA in England in the last year, of which 200 were USA300 strains.

“These community-acquired strains seem to be good at affecting healthy people – they seem to be much better than the hospital ones


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