Varicella- zoster- virus1, Oka/ Merck- stamme, (levende, attenueret) ≥ 19400 PFU2 1 produceret i humane diploide (MRC- 5) celler 2 PFU = Plaqueformende enheder
Varicella-zoster virus1, Oka/ Merck strain, (live, attenuated) not less than 19400 PFU2 1 produced in human diploid (MRC-5) cells 2 PFU = Plaque-forming units