1. Vaccinia (smallpox) vaccine: recommendations of the Advisory Committee on Immunization Practices (ACIP), 2001;Rotz;MMWR Recomm Rep,2001
2. Smallpox Vaccine Dry, Calf lymph type. Dryvax. Dried Smallpox vaccine. Product Insert. Wyeth Pharmaceuticals 2004:1–17.
3. Shared modes of protection against poxvirus infection by attenuated and conventional smallpox vaccine viruses;Belyakov;Proc Natl Acad Sci USA,2003
4. Centers for Disease Control and Prevention. Guidelines and recommendations: Smallpox vaccination status and procedures—guidelines for grantees using licensed undiluted Wyeth Dryvax vaccine. (Version 2) August 18, 2003.
5. Smallpox (Vaccinia) Vaccine, Live. Lyophilized preparation for percutaneous scarification. ACAM20000. Product Insert. Emergent BioSolutions Inc. 2018 [cited 2019 Dec 16]. Available from: https://www.fda.gov/media/75792/download.