title: Two kinds of cancer have put doctors on the trail of a virus.
mesh_terms: D000354:Africa, Western; D000818:Animals; D002051:Burkitt Lymphoma; D002648:Child; D000882:Haplorhini; D006801:Humans; D066298:In Vitro Techniques; D007938:Leukemia / Q000209:etiology*; D008223:Lymphoma / Q000209:etiology*; D051379:Mice; D009858:Oncogenic Viruses / Q000302:isolation & purification*; D011817:Rabbits