Skin, umbilicus, respiratory tract were primary route of infection.

皮肤、脐部及呼吸道感染始终是主要的感染途径。

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Route Numbers on a green background show the direction to a primary route.

绿色背景道路代号指示到达主干道的方向。

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Route Numbers on a green background show the direction to a primary route.

绿色背景道路代号指示到达主干道的方向。

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