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。

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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。

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Antibiotics and supportive care are also important, said Schaffner, who did not treat von Lipinski.

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The vaccine generally works better "in young, healthy people than it does in older persons, " Schaffner said.

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"It's the best vaccine we have, but there are cases of influenza that occur despite immunization, " Schaffner said.

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