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What is All of the vaccines are cellular vaccines except: and explain in detail?
Ans: d (Tetanus toxoid) Ref: Park, 19 ed, p. 98,262; IAP guidebook of immunizationTetanus toxoid is only a toxoid and not a cellular vaccine* BCG is a live attenuated vaccine against TB and is a cellular vaccine* Measles is also a live attennuated vaccine* In DPT vaccine D component and T component are toxoid, but it is combined with required number of killed organisms of B.pertussis thus making it a cellular vaccine.RememberProgressive neurological diseases are contraindications for pertussis vaccination. But static neurological diseases like cerebral palsy is not a contraindications for the same.Newer acellular pertussis vaccine (aP) has been developed that confers equal protection but is relatively less antigenic.Common vaccines and strains used:* MeaslesEdmonston Zagreb* Typhoid oralTy 21a* Chicken poxOKA strain* Rabiespittsmoore strain* BCGDanish 1331* PolioLansing, Leon, Brunhilde* MumpsJeryllLynn* Yellow fever17-D* Hepatitis AHM175/GBM strain* RubellaRA27/3* Diphtheriapark williams 8