Rabies virus can be detected using a(n) __________ assay.

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The direct fluorescent antibody (DFA) assay is the most commonly used method for the diagnosis of rabies virus. In this assay, a fluorescein-conjugated antibody is used to detect the presence of viral antigen in infected tissue samples. The assay is highly specific and sensitive, with a reported sensitivity of 90-100%. Other methods listed, such as viral neutralization, immunodiffusion precipitation, viral hemagglutination inhibition, and western blot, may be used for the detection of other viruses but are not typically used for the diagnosis of rabies virus.

Rabies Virus Can Be Detected Using A(n) __________ Assay