Que. | In Schick test reaction is considered as positive when |
- A. No reaction of any kind on either arm after administration of Schick test toxin
- B. When test arm shows red flush of 10-50 mm diameter within 24-36 hours after administration of Schick test toxin
- C. Both
- D. None of these
Right Answer is :
✓ B. When test arm shows red flush of 10-50 mm diameter within 24-36 hours after administration of Schick test toxin