An antibiotic-resistant "superbug" strain of typhoid fever has spread globally, driven by a single family of the bacteria, called H58, according to the findings of a large international study.
The research, involving some 74 scientists in almost two dozen countries, is one of the most comprehensive sets of genetic data on a human infectious agent and paints a worrying scene of an "ever-increasing public health threat", they said.
Typhoid is contracted by drinking or eating contaminated matter and symptoms include nausea, fever, abdominal pain and pink spots on the chest.
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