title: Post-smallpox eradication policies.
mesh_terms: D003140:Communicable Disease Control / Q000379:methods*; D006801:Humans; D012106:Research; D012899:Smallpox / Q000382:microbiology / Q000517:prevention & control*; D013242:Sterilization / Q000379:methods; D012901:Variola virus; D014944:World Health Organization