The samples will be sent to WHO Collaborating Centre for further testing including virus characterization.

这些样本将送往世卫组织合作中心进行进一步检测，包括病毒特性描述。

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Following confirmation of Marburg virus as the causative agent, on 21 March, WHO sent its senior epidemiologists to Uige to assess the situation and organize an initial emergency response.

在确认马尔堡病毒为致病病原体之后，世卫组织于3月21日向威热派出其高级流行病学家以评估事态和组织初期紧急应对。

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The WHO sent a team of specialist to China last month to learn more about the H7N9 virus. Doctor Fakuda said there is still not enough evidence to show it can spread easily from person to person.

世卫组织上月向中国派出专家小组以了解H7N9禽流感，Fakuda博士说，尚无足够证据显示这种疾病可在人之间轻易传播。

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This also makes it difficult for someone to find out who has sent them the virus.

BBC: Virus makes unwelcome return

The Cardinals played minus outfielder Matt Holliday, who was sent home prior to the game with a stomach virus.

WSJ: Kozma and Descalso homer, Cardinals beat Yankees