RFFIT stands for Rapid Fluorescent Foci Inhibition Test. It is a serum neutralization (inhibition) test, which means it measures the ability of rabies specific antibodies to neutralize rabies virus and prevent the virus from infecting cells. The antibodies are called rabies virus neutralizing antibodies (RVNA).

Test Performed by: RFFIT/K-State Rabies Laboratory Manhattan/K-State Innovation Center 2005 Research Park Circle Manhattan, KS 66502

Rabies Antibody Endpoint Test Definition: FRFIT

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Detecting and identifying pathogenic organisms including bacteria, fungi, DNA viruses, RNA viruses, and parasites in cerebrospinal fluid This test is not recommended as a test of cure because nucleic acids may persist after successful treatment.

Detecting and identifying bacteria (including mycobacteria) from normally sterile sources, including synovial fluid; body fluids such as pleural, peritoneal, and pericardial fluids, cerebrospinal fluid; and both fresh and formalin-fixed paraffin-embedded tissues This test is not recommended as a test of cure because nucleic acids may persist for long periods of time …

Positive results indicate presence of specific DNA from Ehrlichia chaffeensis, Ehrlichia ewingii, Ehrlichia muris eauclairensis organism, or Anaplasma phagocytophilum and support the diagnosis of ehrlichiosis or anaplasmosis.. Negative results indicate absence of detectable DNA from any of these 4 pathogens in specimens but do not exclude the presence of these organisms or active …

Assessing T-cell function in patients on immunosuppressive therapy, including solid-organ transplant patients Evaluating patients suspected of having impairment in cellular immunity Evaluation of T-cell function in patients with primary immunodeficiencies, either cellular (DiGeorge syndrome, T-negative severe combined immunodeficiency [SCID], etc) or combined T- and B …

Infectious Specimen Shipping Guidelines continued Page 2 of 3 Crev0824 MayoClinicLabs.com for Dangerous Goods. Category B Packaging – Supplies Needed • T146 – 1 rigid transport container, 2 bubble bags, 2 absorbent sheets, 2 6×8 zip lock bags, 1 …

Evaluating patients with suspected human monocytic ehrlichiosis, human granulocytic anaplasmosis, babesiosis, or Borrelia miyamotoi infection Evaluating patients with a history of, or suspected, tick exposure who are presenting with fever, myalgia, headache, nausea, and other nonspecific symptoms This test should not be used to screen healthy patients.