NDM-1: Novel, global, complex and a serious threat

There’s news today in the journal Lancet Infectious Diseases of the further spread of a troubling new resistance problem that I first talked about in June: Gram-negative bacteria carrying a novel resistance factor that has been dubbed New Delhi metallo-beta-lactamase, or NDM-1.

In writing about resistant bacteria, it’s difficult to avoid overusing superlatives — but this resistance mechanism has spread widely, been transported globally, and brings common bacteria up to the brink of untreatable. It already has been found in India and Pakistan, Sweden, the Netherlands, Australia, Canada and the US, and has been distributed not just by travel but specifically by medical tourism. It has the potential to become an extremely serious global threat.

Maryn

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