Among these viruses, the most effective one is the Elb-55Kda deficiented replicative virus(ONYX-015) developed by the American ONYX Pharmacy Company.

• 其中最引人注目的肿瘤特异性增殖型病毒是美国ONYX药物公司研究的E1b55Kda缺陷的增殖型腺病毒（ONYX－015）。