Incidence rates are falling in five of WHO's six regions (the exception is the South-East Asia region, where the incidence rate is stable).
世卫组织的六个区域中，有五个区域的发病率正在下降(东南亚区域除外，这个区域的发病率保持稳定)。
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The glaring exception is Africa, where TB incidence rates have tripled since 1990 in countries with high HIV prevalence and are still rising across the continent at a rate of 3-4% annually.