此病毒若生长于组织培养基中或以相当数量注射于新生鼠、幼田鼠、天竺鼠或兔等动物体内时,可能产生恶性肿瘤。属于乳多空病毒组。

• "It may induce cancerous tumours if grown in tissue culture and injected in large quantities into newborn mice or young hamsters, guinea pigs, and rabbits. It Belongs to the Papovaviridae family of viruses. "