Such Numbers will make it difficult for swine flu in its current form to reappear in a new wave, Schaffner noted.

据夏弗纳观察，这些数字将很难使猪流感以当前的形式在一股新的浪潮中重新出现。

Those findings, and research done at the University of Illinois in 2003, did not appear in a peer-reviewed journal, Professor Schaffner noted.

沙夫纳教授指出，这些发现，以及2003年伊利诺斯大学所做的一项研究，并没有出现在任何一本有同行评审的学术期刊中。

But even controlling for these factors, they still had distinctive voting preferences, says Brian Schaffner, a professor at the University of Massachusetts Amherst.

马萨诸塞大学阿姆赫斯特分校教授Brian Schaffner指出，即便掌握这些情况，他们的投票偏好还是与众不同。

Dr. William Schaffner, an infectious disease expert at Vanderbilt University, said that, right now, some of the safest eggs available to Americans are from small farms.

供职于范德堡大学的传染病学博士威廉•沙夫纳认为，现在美国市场上部分安全鸡蛋产于小型农场。