The following are documented: Type of exposure Time elapsed since exposure Clinical information (including risk factors and serologic tests for HIV) about the source patient for the exposure and the person exposed Type of exposure is defined by Which body fluid was involved Whether exposure involved a penetrating injury (eg, needlestick, cut with sharp object) and how deep the injury was Whether the fluid had contact with nonintact skin (eg, abraded or chapped skin) or mucous membrane Risk of infection is about 0.3% (1: 300) after a typical percutaneous exposure and about 0.09% (1: 1100) after mucous membrane exposure.