A thymidine kinase(TK) gene insertion-deleted strain of avian infectious laryngo-tracheitis virus (ILTV), the first genetically engineered vaccine strain candidate for ILT control in our country was developed at our university.

• 鸡传染性喉气管炎病毒(ILTV)胸苷激酶(TK)基因插入缺失毒株是由我校研制的国内首次构建的ILT基因工程疫苗候选株。