Aleksei F. Bobkov1, Kazennova Ev1, Anna L. Sukhanova2,1, Bobkova Mr2, Vadim Pokrovsky2, Victoria V. Zeman3, N Kovtunenko3, Isidora B. Erasilova3
1The D.I. Ivanovsky Institute of Virology, Moscow, Russia
2Federal AIDS Centre, Moscow, Russia
3AIDS Centre Reference Laboratory, Almaty, Kazakhstan.