title: Vaccinia virus strain differences. II. Altered dermal reactivity of vaccinia virus by single passage in a new host system.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D000917:Antibody Formation; D002417:Cattle; D002642:Chick Embryo; D046508:Culture Techniques; D005321:Extraembryonic Membranes; D005347:Fibroblasts; D007114:Immunization; D008196:Lymph; D009500:Neutralization Tests; D011817:Rabbits; D012882:Skin Tests; D012899:Smallpox / Q000517:prevention & control; D012900:Smallpox Vaccine; D014613:Vaccines, Attenuated; D014616:Vaccinia virus / Q000276:immunology* / Q000472:pathogenicity; D014776:Virus Cultivation
chemical_list: D000914:Antibodies, Viral; D012900:Smallpox Vaccine; D014613:Vaccines, Attenuated