"While reviewing Gerberding’s testimony, the White House Office of Management and Budget cut out seven pages, about half, of the testimony. The removed sections include information on extreme weather events and food and water-borne disease, among other things."

"By comparing the two versions, you can find that with one long highlight and one stroke of the ‘Delete" button, OMB removed pages 2-8 in their entirety."
References :
http://www.ombwatch.org/article/blogs/entry/4126/24