Strain used for chickenpox vaccine:: (A) Edmonston Zagreb strain, (B) Oka strain, (C) 'Danish' 131, (D) RA 27/3 strain
Answer is B. Ans. b (Oka strain). (Ref. Park PSM 22nd/pg. 137)VACCINESTRAIN USEDMeaslesHDC-Edmonston Zagreb strainBCG'Danish' 131Chicken pox (live attenuated)Oka strainOPVSabin strainIPVSalk strainRubellaRA 27/3 strain