Optimal Timing of Specimen Collection after Rash Onset for Diagnosis of Measles IgM Antibody
Publish place: Archives of Razi Institute journal، Vol: 60، Issue: 1
Publish Year: 1384
نوع سند: مقاله ژورنالی
زبان: English
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JR_ARCHRAZI-60-1_001
تاریخ نمایه سازی: 6 دی 1402
Abstract:
Antibody detection is the most versatile and commonly used method for measles diagnosis. Detection of specific IgM antibodies in a single serum specimen collected within the appropriate time after rash onset can provide a good presumptive diagnosis of current or recent measles infection and is the test of choice for rapid diagnosis of measles cases. So, optimal timing for collection of a single serum specimen to diagnose measles by IgM capture Enzyme Immunoassay (EIA) was evaluated. ۳۹۹-paired sera were tested for measles IgM antibody. ۱۴۹-paired sera were measles IgM negative. Two hundred fifty paired sera had at least one IgM positive. ۲۲۳-paired sera were positive in both first and second samples. ۱۹-paired sample were negative in first and positive in second sample and ۸-paired sera were positive in the first and negative in the second samples. ۸۵% and ۱۰۰% of first specimens within ۷ and ۷-۲۱ and ۹۴% of all second samples were IgM positive at ۲۸th days after rash onset, respectively. Analysis of data indicates that a single serum specimen collected between ۷ to ۲۷ days after rash onset can be used to diagnose most cases of measles with an IgM capture EIA.
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