Investor Presentaiton

Laboratory tests Syphilis screening tests: ◉ Venereal disease research laboratory (VDRL) test. The VDRL test checks blood or spinal fluid for an antibody that can be produced in people who have syphilis. This antibody is not produced as a reaction to syphilis specifically, so the test result could be "abnormal" for reasons other than syphilis. Rapid plasma reagin (RPR) test. The RPR test also finds syphilis antibodies. Syphilis confirmation tests: Enzyme immunoassay (EIA) test. This blood test checks for syphilis antibodies. A positive EIA test should be confirmed with either the VDRL or RPR tests. Fluorescent treponemal antibody absorption (FTA-ABS) test. This test also checks for antibodies. It can be used to find syphilis except during the first 3 to 4 weeks after exposure. The test can be done on a sample of blood or spinal fluid. ■ Treponema pallidum particle agglutination assay (TPPA). This test also checks for antibodies. It is used after another method tests positive for syphilis. This test is not done on spinal fluid. Adapted from Syphilis Tests. Available at https://www.healthlinkbc.ca/medical-tests/hw5839 Saskatchewan + Health Authority

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