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
ELISA test when compared to western blot technique is - 
Select and explain. 
A. Less sensitive, less Specific, B. Less sensitive, less Specific, C. Less sensitive, more specific, D. More sensitive, less Specific
D: More sensitive, less Specific
Answer: D: More sensitive, less Specific 
Explanation: Ans. is `d' i.e., More sensitive, less specific . ELISA is an extremely good screening test with a sensitivity of > 99.5 % . While ELISA is an extremely sensitive test, it is not optimal with regard to specificity.