Que. | During schick test what are the symptoms of positive reaction- |
- A. An area of erythema at the injection site within 6-24 hours and then disappear
- B. An area ofe erythema and swelling at the site of injection in 24 - 48 hours and reaching maximum in 4-7 days
- C. No erythema and swelling at the injection site
- D. Presence of erythema in test arm and absence of erythema in control arm
Right Answer is :
✓ B. An area ofe erythema and swelling at the site of injection in 24 - 48 hours and reaching maximum in 4-7 days