They also insist that food-borne pathogens can be destroyed by heating or cooking.
Moreover, some experts say, many pathogens can be used in an attack, some genetically engineered to be resistant to antibiotics.
If pathogens can be designed by laptop, vaccines can be, too.
In the right environment, dangerous pathogens can be handled safely; viruses like those that cause herpes and hepatitis are commonly used in labs.
The agency could step in more easily, Ms. Gard said, if it can be shown that companies have violated state laws that cover injury and illness prevention or if precautions regarding bloodborne pathogens can be proved inadequate.
Dr Kimon Andreas Karatzas, assistant professor in food microbiology at the University of Reading, said: "Consumers seem to be more preoccupied with nutritional facts, but they should not forget that foodborne pathogens can be deadly.
It is a possibility that insect pathogens can be produced, packaged, distributed, and applied in much the same way as insecticides.
Plant defense against their pathogens can be induced by a complex network of different inducers.
Airborne spread of pathogens can be rapid, widespread, and difficult to prevent.
The resistance of plants to pathogens can be enhanced by the application of various biotic and abiotic agents.
According to Goswami et al. [116], an equally effective tool in fighting the pathogens can be photocatalysis.
