###Rationale: For the antemortem diagnosis of rabies, viral antigens can be demonstrated in the corneal smear, skin biopsy from the face or neck or saliva.

###Answer: OPTION B IS CORRECT.
###Question: A 15 year old girl was admitted to the infectious disease hospital with a provisional diagnosis of rabies. The most suitable clinical sample that can confirm the antemortem diagnosis is-
###Options:
A. Serum for anti-rabies IgG antibody
B. Corneal impression smear for immunofluorescence stain
C. CSF sample for viral culture
D. Giemsa stain on smear prepared from salivary secretions
