Scientists hope deadly hospital superbug MRSA could be wiped out with new method using light — and it could work on cancer

The life-threatening bacteria can cripple a hospital as it spreads quickly and is resistant to treatment.

But scientists say they are making advances with a technique where they use light to activate oxygen — which then wipes out antibiotic-resistant bacteria.

US researchers say that the method could also be used to treat other microbial infections — and possibly even cancer.

Dr Peng Zhang, of the University of Cincinnati, said the treatment could be used as a spray or gel.

And he said that once it is sprayed on to a surface, medical professionals would be able to use blue or red light on it to show up bacteria — and then just wipe it away.

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