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A comparison of live and formalised leptospiral microscopic agglutination test. 1987

M F Palmer, and S A Waitkins, and S W Wanyangu
PHLS Leptospira Reference Unit/WHO/FAO Collaborating Centre for Research and Reference on Leptospirosis, County Hospital, Hereford, United Kingdom.

The sensitivity and reliability of a formalised leptospiral antigen battery was compared with a smaller battery of live leptospiral antigens with 152 human sera positive for leptospirosis. There was good concurrence of results between the formalised and live antigens, however the live battery did fail to detect some positive sera where the antibody level was low. The formalised antigens were more sensitive than the live (P less than 0.001) and more reliable in the detection of early leptospiral infection, but the live antigens were more specific in the determination of probable infecting serogroup.

UI MeSH Term Description Entries
D007919 Leptospira A genus of aerobic, helical spirochetes, some species of which are pathogenic, others free-living or saprophytic.
D007922 Leptospirosis Infections with bacteria of the genus LEPTOSPIRA. Cane-Cutter Fever,Canicola Fever,Leptospira Canicola Infection,Leptospira Infection,Leptospirosis Canicola,Mud Fever,Rice-Field Fever,Stuttgart Disease,Swineherd's Disease,Cane Cutter Fever,Fever, Canicola,Fever, Mud,Fever, Rice-Field,Fevers, Cane-Cutter,Infection, Leptospira,Infection, Leptospira Canicola,Infections, Leptospira,Infections, Leptospira Canicola,Leptospira Canicola Infections,Leptospira Infections,Leptospiroses,Leptospirosis Canicolas,Rice Field Fever,Swineherd's Diseases
D011237 Predictive Value of Tests In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test. Negative Predictive Value,Positive Predictive Value,Predictive Value Of Test,Predictive Values Of Tests,Negative Predictive Values,Positive Predictive Values,Predictive Value, Negative,Predictive Value, Positive
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000372 Agglutination Tests Tests that are dependent on the clumping of cells, microorganisms, or particles when mixed with specific antiserum. (From Stedman, 26th ed) Agglutination Test,Test, Agglutination,Tests, Agglutination
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies
D000942 Antigens, Bacterial Substances elaborated by bacteria that have antigenic activity. Bacterial Antigen,Bacterial Antigens,Antigen, Bacterial

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