Direct Fluorescent Antibody
Also written as DFA.
DFA (Direct Fluorescent Antibody) — from vesicle scraping; rapid and specific
What our notes say
- DFA (Direct Fluorescent Antibody) — from vesicle scraping; rapid and specific (EXAM: Basic Virology, Viral Replication, Prions & Slow Viruses, Poxviruses & VZV)
- Direct fluorescent antibody (DFA) test — gold standard; detects rabies antigen in brain tissue (post-mortem) or skin biopsy (corneal epithelium) (EXAM: Vaccines & Antivirals, Rabies, CMV & EBV, Adenovirus & Enteroviruses)
- Direct fluorescent antibody (DFA) — rapid, from lesion swab (EXAM NOTES: VIROLOGY YR3)