A combination of advances in biotechnology and easy access to inputs has heightened the threat of bio-attacks, David Heyman, an international expert on bioterrorism, said here on Thursday.

U.S. Military leaders have suspended some activities at biological research laboratories to review safety rules for some of the world’s deadliest germs and toxins, including how they are shipped through civilian delivery services.
Defense officials said …

The Canadian government has shipped chemical and biological defense equipment to the Philippines and will soon send personnel to that nation to train special forces and other units in its use.
Canadian officials donated the 300 …