Hayward will be replaced by fellow executive Robert Dudley.

VOA: standard.2010.07.27

"The problem with resistance means that we might be facing a situation where our currently, mostly susceptible epidemic is replaced in a decade or two by mostly multi-drug resistant disease,".

VOA: standard.2009.12.09

When it was his turn to speak, Mr.Obama said old grievances in the hemisphere should be set aside, replaced by a renewed commitment to expand prosperity, security and freedom in the Americas, with all nations working as equals to confront common challenges.

VOA: standard.2009.04.17