Inadvertent inoculation as an adverse event following exposure to vaccinia virus: case definition and guidelines for data collection, analysis, and presentation of immunization safety data.
Wenger P, Oleske JM, Kohl KS, Fisher MC, Brien JH, Graham PL, LaRussa PS, Lipton S, Tierney B, Brighton Collaboration Vaccinia Virus Adverse Event Working Group for Inadvertent Inoculation. Vaccine. 2007 Aug 1; 25(31):5754-62. Epub 2007 May 4.