What are the consequences of indeterminate results in confirmatory tests for antibodies against transmissible viruses?
D015492:AIDS Serodiagnosis / Q000379:methods; D000914:Antibodies, Viral / Q000032:analysis*; D001782:Blood Donors; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D014777:Virus Diseases / Q000276:immunology / Q000635:transmission*
D000914:Antibodies, Viral