Further spread of the disease is likely due to the lack of access to essential drugs and vaccinations and the limited capacity of the existing surveillance system in high risk areas.

由于在高危地区不能获得基本药物和预防接种以及现有监测系统的有限能力，该病可能进一步传播。

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For the moment, experts say the risk of a mass outbreak remains limited, given that the virus isn't easily spread from human to human.

WSJ: Hong Kong Steps Up Bird-Flu Measures