HIV has spread rapidly in a defined sub-population, but is not well-established in the general population.

艾滋病毒已在一个确定的子总体中迅速扩散，但尚未在一般人群中牢固确立。

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HIV has spread rapidly in a defined sub-population, but is not well-established in the general population.

艾滋病毒已在一个确定的子总体中迅速扩散，但尚未在一般人群中牢固确立。

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