OPEN ACCESS REGISTRATION TRIALS OF A VACCINE AGAINST PETE OF PETTES RUMINANTS Usembay Abdurahman, Zhumagali Khoshemetov, Rysbek Nurgaziev, Ekaterina Krutskaya, Zhanat Kondibaeva, Zhanat Amanova, Zhanna Sametova, Ruslan Abitaev, Sholpan Turyskeldi, Yerbol Bulatov