virus neutralization test meaning in English

病毒中和试验
簿中和试验

To elucidate the antigenic drift and evolution of h9n2 subtype avian influenza viruses ( aivs ) , five isolates from the north of henan province during 1998 - 2002 were compared and analysed by cross - hemagglutinin inhibition test ( hi ) , cross - virus neutralization test ( vn ) in the chicken embryo and chicken embryo primary kidney cell ( cek ) and cross protection against challenge infection test
为了探讨h _ 9n _ 2亚型禽流感病毒的抗原性有否发生漂移，本研究从生物学角度和ha基因分子水平上对1998 ? 2002年间在河南省豫北地区分离到的5株h _ 9n _ 2亚型禽流感病毒的抗原性变化进行了比较和分析。