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 antemoem diagnosis is-
Serum for anti-rabies IgG antibody
Corneal impression smear for immunofluorescence stain
CSF sample for viral culture
Giemsa stain on smear prepared from salivary secretions
Diagnosis of rabies The diagnosis of rabies is usually made by the detection of rabies virus antigens by immunofluorescence. The specimens collected are : Antemoem > Corneal smear Skin biopsy from neck or saliva Postmoem Brain biopsy