Tarasevich Research Institute for Standardization and Control of Medical Biological Preparations, Moscow, Russia
The evaluation of the immunogenic activity and residual toxicity of the National Standard of pertussis vaccine (OCO-3) was carried out. As shown by observations lasting for a period of 25 years, the preparation possesses stable immunogenicity and its toxicity remained unchanged, which makes it possible to use OCO-3 for the routine control of the pertussis component of commercial lots of adsorbed DPT vaccine.
Zh. Mikrobiol. (Moscow), 2004, No. 5, P. 68—71