A new superbug that is resistant to even the most powerful antibiotics has entered UK hospitals, experts warn.They say bacteria which make an enzyme called NDM-1 travelled back with NHS patients who had gone abroad to countries like India and Pakistan for treatments such as cosmetic surgery.
Although there have only been about 50 cases identified in the UK so far, scientists fear it will go global.
Tight surveillance and new drugs are needed says Lancet Infectious Diseases.
NDM-1 can exist inside different bacteria, like E.coli, and it makes them resistant to one of the most powerful groups of antibiotics - carbapenems.
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