1.   Needle injuries can transmit any microbe in the blood.

2.   Regulations in the law require employers to keep detailed logs of when needle injuries occur and how they happen so that researchers can determine ways to prevent future incidents.

3.   The agency plans to hold a meeting of experts before April to determine the need for new guidelines on needle injuries.

4.   Twenty known pathogens can be transmitted through needle injuries, including HIV and hepatitis C.