In Mexico City, "literally hundreds and thousands of travelers come in and out every day," Osterholm said.

在墨西哥城，“字面成千上万的游客前来每天”奥斯特·霍尔姆说。

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"I've seen the rise and fall of experienced medical reporters," said Dr. Michael T. Osterholm, director of the Center for Infectious Disease Research and Policy at the University of Minnesota.

“我看到过阅历丰富的医学记者的沉浮，”明尼苏达大学传染病研究和政策中心主管Michael t . Osterholm博士说。

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Osterholm co-authored " The Compelling Need for Game-Changing Influenza Vaccines, " which came out last October.

CNN: Flu vaccine attitudes abroad differ from U.S.

That analysis shows significantly less effectiveness than what has been the conventional wisdom within the scientific community, Osterholm said.

CNN: Flu vaccine attitudes abroad differ from U.S.

Osterholm's study suggests this has been a general pattern in American public health history with relation to the flu vaccine.

CNN: Flu vaccine attitudes abroad differ from U.S.