Evaluation of Dengue Non Structural antigen ELISA for the diagnosis of Dengue Virus Infection in the acute phase of illness
Journal Title: The Indian Practitioner - Year 2015, Vol 68, Issue 3
Abstract
Introduction: Dengue viruses are a major public health problem in tropical and subtropical areas, being the cause of one of the most important mosquito-borne viral diseases. Outbreaks have also been reported from Mumbai and other parts of Maharashtra. Aims and Objectives: (1) Detection and evaluation of Non-Structural Protein (NS1 Ag) in the sera of suspected cases of dengue virus infection. (2) Evaluation of Rapid Immunochromatographic test and ELISA for detection of IgM/IgG antibodies. Material and Methods: An open labeled prospective study was carried out using 150 patient’s sera and 30 paired sera. The serum samples were subjected to Rapid Immunochromatographic test, ELISA and PCR tests. Results: The sensitivity of Rapid test as compared to ELISA was 87.5% for IgM and 66.6% for IgG. Specificity for ELISA and Rapid test was 96.3% and 92.6% respectively. Sensitivity of NS1 Ag as compared to Dengue PCR was 86.66%. Conclusion: Dengue NS1 Ag ELISA with its ability to specifically diagnose dengue in early stage of the disease with high sensitivity can prove a boon in the early treatment and management of dengue patients.
Authors and Affiliations
Dr. Jayanthi S Shastri, S Sawant
Keywords
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