This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Regarding shick's test which of the following is false- 
Select and explain. 
A. Erythematous reaction in both arm indicate hypersenstivity, B. Positive test means that person is immune to diphtheria, C. Diphtheria antitoxin is given intradermally, D. Test done to find out immune status against diphtheria
B: Positive test means that person is immune to diphtheria
Answer: B: Positive test means that person is immune to diphtheria 
Explanation: None