WASHINGTON (Reuters) - Poor treatment may be fueling the rise of an especially hard to treat form of tuberculosis called extensively drug resistant or XDR TB, doctors reported on Sunday.

• 华盛顿（路透社）-周日有医生报告，治疗不当可能助长一种极难治疗的结核类型，此类型被称作广泛耐药或XDR结核。