A positive antibody titer indicates

    • Mass.Gov

      Jul 07, 2017 · A positive Sm/RNP Ab result indicates the presence of antibodies reactive with the Smith (Sm) protein and/or ribonuclear protein (RNP). This Sm/RNP assay cannot distinguish between Anti-Sm and Anti-RNP activity, thus should be considered with the …

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    • Case study: Investigation of an outbreak of

      A titer of ≥ 1:2 is considered clinically significant. In the presence of a high titer reaction against one fungal pathogen, other low level antibody titers may represent cross-reacting antibodies and are not considered significant. For Histoplasma and Coccidioides, it is recommended that analysis of paired sera be used to diagnose disease.

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    • [DOC File]Technical Manual, Sec. 3, Ch. 7: Legionnaire''s Disease

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      A positive antibody titer drawn immediately after exposure may be acceptable evidence of immunity depending on the setting. However, vaccination of exposed individuals should not be delayed pending the results of antibody testing.

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    • [DOC File]UPDATE…UPDATE…UPDATE…UPDATE ... - Interpath Labs

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      Positive anti-HBs or HBsAb (Hepatitis B surface antibody) Titer ... “Positive" or "reactive" indicates that a person is protected (immunity) against the hepatitis B virus. anti-HB. c. or HB. c. Ab (Hepatitis B core antibody) Do NOT get this test done. Will be required to get the anti-HBs or HBsAb (Hepatitis B surface antiBODY)

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    • [DOCX File]Analysis of Titers

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      A positive IgG antibody test result indicates previous infection with SARS-CoV. The microbiologist informs you that seroconversion from negative to positive or a four-fold rise in the antibody titer from acute to convalescent serum indicates a recent infection. A negative antibody test taken more than 28 days after symptom onset is likely to ...

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    • [DOCX File]Accuracy of a point-of-care ELISA test kit for predicting ...

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      A positive test result may also indicate a current infection or passively acquired measles antibody resulting from the recent receipt of blood products containing plasma. A four-fold (or greater) rise in antibody titer between acute and convalescent samples is generally indicative of an active or recently active measles infection.

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    • Interpretation

      Distribution of Antibody Titer ... 42.6 % of the 155 healthy individuals gave positive widal reaction, that was indicates a high prevalence of typhoid fever among healthy persons in a community ...

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    • ResearchGate

      Antibody strength is determined by the number of dilutions of serum which elicit a positive antibody response. The reciprocal value of the number of dilutions is the antibody titer. For example, an antibody titer of 256 means a positive antibody test of the patients’ s serum following serial dilutions of 1:2, then 1:4, then 1:16, etc., until ...

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    • Antistreptolysin O (ASO) | Lab Tests Online

      Results are interpreted as ‘positive’ or ‘negative’ for each virus, with the package insert claiming that a positive result for CPV indicates an antibody titer equivalent to a CPV HI titer ≥1:80 and a positive for CDV indicates an antibody titer equivalent to a CDV SN titer ≥1:16.

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    • [DOC File]Test Name

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      Agglutination of red blood cells with a given reagent is a positive test result, which indicates the presence of the corresponding antigen on the red blood cells. (Forward Type) Direct agglutination of A1 or B reagent red cells with the patient serum/plasma indicates the . presence of the appropriate ABO antibody. (Reverse type)

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