Canada has strict controls to prevent the introduction of B.S.E.
Terry Stokes, chief executive of the group, referred to a "triple firewall" to prevent the introduction or spread of the disease.
It added that the plan would not prevent the introduction of precisely the kind of initiative that Mr. Einhorn had discussed.
An arbitration panel at the International Centre for Dispute Resolution has ruled that the original decision to prevent the introduction of a new adults-only domain,.xxx, should be reconsidered.
That leaves sabotage, and we can only believe that every portal that provides entry into the operating system will be blocked or sealed to prevent the introduction of malware through the use of thumb drives or other such devices.
"People moving from island to island in boats makes it harder for us to put up barriers to prevent the introduction of new invasive species or infection," he said, adding that arriving planes are now sprayed to kill insects.
Some activist groups say that Dr. Venter is going too far, too fast, this time, and that synthetic biology needs outside regulation to prevent the introduction of dangerous organisms, created by evil intent or by innocent error.
The agency needs to develop a strong and consistent policy to help prevent the introduction of new allergens into our food supply -- and to identify problems after new foods are marketed.
Countryside Agency, www.countryside.gov.uk The United States Department of State has a fact sheet to help prevent the introduction of foot-and-mouth disease into this country on the Web at travel.state.gov.gov
Several years ago, Peter Pronovost, a Johns Hopkins physician, developed a simple list of five steps that intensive-care doctors should take before inserting an IV line, in order to prevent the introduction of bacteria.
The Bush Administration then moved to dismiss Al Haramain's case, citing the "state-secrets privilege," a controversial legal doctrine that can be used to prevent the introduction of evidence that might jeopardize national security.
