2 June 2011
Last updated at 19:39 ET
Dr Garcia-Alvarez said finding a new strain in both in humans and cows is ‘very worrying’
A new strain of the MRSA “superbug” has been found in British cows and is believed to be infecting humans.
Environmental campaigners say the new strain has emerged because of the over-use of antibiotics by dairy farmers.
Dr Mark Holmes of Cambridge University, who led the research, said this was a “credible hypothesis”.
The researchers, writing in the Lancet Infectious Diseases Journal, say there is no additional health risk from eating milk and dairy products.
‘Financial pressure’
MRSA, or methicillin-resistant Staphylococcus aureus, is a drug-resistant form of a usually harmless bacterium which can be deadly when it infects wounds.
The 35 or so strains of antibiotic-resistant superbugs are genetically fairly
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