Google built the service with the guidance of the Centers for Disease Control and Prevention, the U.S. government's public health watchdog that runs a range of flu surveillance systems.

谷歌是根据美国公共卫生监管机构疾病控制预防中心(Centers for Disease Control and Prevention)的指导原则开发上述服务的。美国疾病控制预防中心有一系列流感监测系统。

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It was highlighted during the debate that adverse weather conditions during the winter months impacts on a range of public services, from the health service to transport infrastructure.

BBC: Liberal Democrats debate