Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Fenner, F and Burnet, FM. A short description of the Poxvirus group (Vaccinia and related viruses). Virology 4: 305-314, 1957. PubMed: 13496547. Fenner, F and Burnet, FM. A short description of the Poxvirus group (Vaccinia and related viruses). Virology 4: 305-314, 1957. PubMed: 13496547.
Craigie J. . Br. J. Exp. Pathol. 13: 259, 1932.
Parker RF, et al. Further studies of the infectious unit of Vaccinia. J. Exp. Med. 74: 263-281, 1941.
