New Dehli Metallo-beta-lactamase-1 (NDM-1) is thought to have emerged in India where poor sanitation and antibiotic use have helped resistance spread.

BBC: Analysis: Antibiotic apocalypse

So far fewer than 100 patients in the UK have been reported as carrying NDM-1 bacteria.

BBC: Action on antibiotics

NDM-1 is an enzyme produced by some bacteria which makes them resistant to carbapenem antibiotics.

BBC: Action on antibiotics

Everybody there remembers SARS and avian flu acutely Last week, the World Health Organization issued an alert for a bacterial threat, NDM-1, that was causing antibiotic-resistant infections in South Asia.

FORBES: Two Insidious Threats to Asian Prosperity