Dr Richard Besser, acting director of the US Centers for Disease Control and Prevention, told the meeting the outbreak is "not winding down" and "widespread transmission" continues.

美国疾病控制和预防中心代理主任理查德·贝瑟对大会表示，疫情的传播形势“没有减弱”且“广泛的传播”仍在继续。

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He was Director of the United States Centers for Disease Control and Prevention (CDC), Chief of the CDC Smallpox Eradication Program, and Executive Director of the Carter Center.

他曾任美国疟疾控制和预防中心(CDC)主任、CDC根除天花规划主任和卡特中心执行主任。

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Richard Besser, acting director of the U. S. Centers for disease Control and Prevention, said that over time 'more severe' cases of disease are likely to surface.

美国疾病控制预防中心代理主任贝瑟(richard Besser)说，随着时间的推移，将会出现更严重的病例。

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But the interim director of the U.S.Centers for Disease Control and Prevention, Richard Besser, says it will be months before any decisions are made about mass-inoculations.

VOA: standard.2009.04.30

Dr.Anne Schuchat is director of the U.S.Centers for Disease Control and Prevention.

VOA: standard.2009.12.25

President Obama said Sebelius is watching the situation carefully, along with Homeland Security Secretary Janet Napolitano and Dr.Richard Besser, the acting Director of the U.S.Centers for Disease Control and Prevention.

VOA: standard.2009.05.01

Dr. Julie Louise Gerberding is director of the Centers for Disease Control and Prevention in Atlanta.

FORBES: Dr. Julie Louise Gerberding

In fact, it's about 62% effective, said the director of the Centers for Disease Control and Prevention, Dr. Thomas Frieden, on Friday.

CNN: Had a flu shot? You'll be OK -- maybe

"Vaccines save lives, " countered Dr. Julie Gerberding, director of the Centers for Disease Control and Prevention, after the Poling decision was announced in March.

CNN: Vaccine-autism question divides parents, scientists