1. An example is processed seafood products, which are prone to biological hazards . 2. Other strips are made for plague, botulism and other biological hazards . 3. To give the obvious answer, it represents a biological hazard . 4. He said the system being tested can be adapted to detect other biological hazards . 5. There is some concern that new technologies such as genetic engineering pose biological hazards . 6. Currently, there are several contracted companies that focus on medical, sharps and biological hazard disposal. 7. The site was declared a biological hazard on Wednesday and was put off-limits to reporters. 8. Environmental investigations of the affected schools failed to turn up evidence of chemical or biological hazards . 9. Every scenario that could be imagined was addressed, including the release of chemical and biological hazards . 10. Other occupations at risk to biological hazard exposure include piercers, who risk exposure to blood-borne pathogens.