美国和韩国正在证实这一报道。

US and South Korea are working to confirm the report.

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德国海军医学研究所正在证实它的效果。

The German navy's medical institute is checking to see just how effective it is.

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“我们正在证实一项发现，在不同的人口，不同的环境，甚至不同程度的暴露强化了纽约的最初发现，”佩雷拉说。

"We're confirming a finding in a different population, a different setting, even a different gradient of exposure, and that reinforces the initial finding in New York," Perera said.

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