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Persistence duration of immunoglobulin G antibodies to rift valley fever virus in sheep and goats sera after vaccination
المؤلفون المشاركون
al-Fadil, Abd al-Hamid A. M.
Shahin, Imad S.
المصدر
Journal of Science and Technology
العدد
المجلد 8، العدد 1 (30 يونيو/حزيران 2007)4ص.
الناشر
جامعة السودان للعلوم و التكنولوجيا عمادة البحث العلمي
تاريخ النشر
2007-06-30
دولة النشر
السودان
عدد الصفحات
4
التخصصات الرئيسية
الموضوعات
الملخص EN
Duration of immunoglobulin G (IgG) antibodies to Rift Valley fever (RVF) virus after vaccination with the live attenuated RVF Smithburn strain vaccine was investigated in two groups (Group A and B) of sheep and goats.
Also, two batches (Batch I and II) of the same vaccine were used to compare between them.
The IgG-sandwich enzyme-linked immunosorbent assay (ELISA) was used to detect IgG antibodies in serum samples of vaccinated animals.
For Batch I, the percentage of IgG positive animals significantly declined from 95 % to 66.
7 % after the elapse of one year, and to 50 % after the elapse of four years and eight months.
It would decline to zero after six years and eleven months.
For Batch II, the decline of the percentage of IgG positive animals from 87 %, which was attained at four weeks following vaccination, to 77.
3 % after the elapse of one year and eight months was not significant.
It could be concluded that the level of herd immunity induced by the live attenuated RVF Smithburn strain vaccine significantly declines with the elapse of years.
Also, the decline of the level of herd immunity varies between different batches of the same vaccine.
Hence, efficient and cost-effective vaccination strategies for control of RVF have been discussed.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
al-Fadil, Abd al-Hamid A. M.& Shahin, Imad S.. 2007. Persistence duration of immunoglobulin G antibodies to rift valley fever virus in sheep and goats sera after vaccination. Journal of Science and Technology،Vol. 8, no. 1.
https://search.emarefa.net/detail/BIM-344881
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
al-Fadil, Abd al-Hamid A. M.& Shahin, Imad S.. Persistence duration of immunoglobulin G antibodies to rift valley fever virus in sheep and goats sera after vaccination. Journal of Science and Technology Vol. 8, no. 1 (2007).
https://search.emarefa.net/detail/BIM-344881
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
al-Fadil, Abd al-Hamid A. M.& Shahin, Imad S.. Persistence duration of immunoglobulin G antibodies to rift valley fever virus in sheep and goats sera after vaccination. Journal of Science and Technology. 2007. Vol. 8, no. 1.
https://search.emarefa.net/detail/BIM-344881
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-344881
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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