CDC in Atlanta, and the U. S. Army Medical Research Institute of Infectious Diseases in Frederick, Maryland and one in Canada at the new center in Winnipeg is not enough.

一个位于亚特兰大市的疾病预防与控制中心和另一个在马里兰州弗雷德里克市的美军传染病医学研究所以及一个位于加拿大(温尼伯的新建中心处)是不够的。

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Among those to be closed are towers at regional airports in Frederick, Maryland, and near St.

CNN: Who's in the tower? At some regional airports soon: Nobody

Hatfill once worked at the Army's bioweapons research lab at Fort Detrick in Frederick, Maryland.

CNN: LSU defends firing Steven Hatfill

Investigators also traced the envelopes that contained the spore-laced letters to the Frederick, Maryland, area where Ivins lived, Taylor said.

CNN: U.S. officials declare researcher is anthrax killer