“一个关键的问题是有多少流感病毒在热带地区传播”——这个地区终年有着较高的绝对湿度——“并且它和温带地区的的关系是什么，”他说。

"One really key question is how much influenza is transmitted in tropical locations" -places with high absolute humidity year-round - "and how this compares to temperate parts of the world," he said.

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