<prompt> 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 antibodyCorneal impression smear for immunofluorescence stainCSF sample for viral cultureGiemsa stain on smear prepared from salivary secretions  <response>: 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 