Rambaut, Holmes and Salzberg declined to speculate on whether the new H1N1 virus evolved on a hog farm or specifically in the Granjas Carroll facility.

• 拉姆鲍特、霍尔姆斯和萨尔茨贝克拒绝推测是否新的H1N1病毒是在养猪场或者具体是在格兰加斯卡罗尔公司的设施内演变的。