Overview Phase 2 Study of Safety, Tolerability, and Immunogenicity of Three Dose Levels of ACAM3000 Smallpox Vaccine Status: Completed Trial end date: 2006-06-01 Target enrollment: Participant gender: Summary A phase 2 study to assess the MVA smallpox vaccine in previously vaccinated and vaccine- naive subjects at three dose levels. Phase: Phase 2 Details Lead Sponsor: Sanofi Pasteur, a Sanofi CompanyTreatments: Vaccines