1. Vaccinia (Smallpox) Vaccine Recommendations of the Advisory Committee on Immunization Practices (ACIP) 2001;CDC Advisory Committee on Immunization Practices;MMWR,2001
2. CDC. Smallpox Vaccination and Adverse Events Training Module. Available from: http://www.bt.cdc.gov/training/smallpoxvaccine/reactions (n.d.)
3. Safety and Immunological Response to a Recombinant Vaccinia Virus Vaccine Expressing HIV Envelope Glycoprotein;Cooney;Lancet,1991
4. Progressive Vaccinia in Immunologically Deficient Individuals;Fulginiti,1968