HUMORAL IMMUNITY IN TWO GROUPS OF CHILDREN INDUCED BY TWO SUPPLEMENTAL DOSES OF ORAL POLIO VACCINE, AND IN THE UMBILICAL CORD BLOOD

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ROUSTAEI M.H.; SLEIMANDJAHI H.; GHOLIZADEH M.R.; SALARI S.; AKHAVIZADEGAN M.A.

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Journal: ARCHIVES OF RAZI INSTITUTE Year:2000 | Volume:- | Issue:51 Page(s): 39-46

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Title

HUMORAL IMMUNITY IN TWO GROUPS OF CHILDREN INDUCED BY TWO SUPPLEMENTAL DOSES OF ORAL POLIO VACCINE, AND IN THE UMBILICAL CORD BLOOD

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Keywords

POLIPVIRUS

NEUTRALIZING ANTIBODIES

NATIONAL IMMUNIZATION DAYS

SEROPREVALENCE

Abstract

The immunogenicity of mass campaign doses of oral poliovirus vaccine (OPY) was evaluated by measuring serum NEUTRALIZING ANTIBODIES (NAs) in two groups of children. The first group included 215 children before and after two mass vaccination campaing conducted in 1994"s NATIONAL IMMUNIZATION DAYS (NIDs) and the second, included 420 children after receiving two supplemental doses of OPY in 1996.In order to measure the NAs against poliovirus types, 1,2, and 3 transferred to the neonates 412 sera collected from umbilical cord blood and tested. Precampaign SEROPREVALENCEs to the virus types were compared with those of the post campaign in the first group. The titers of NAs against all three types of the virus had raised significantly in postcampaign serum samples. The NA prevalence against poliovirus types was also high in the serum samples collected from the second group. Four weeks after the second supplementary dose of OPY, 96%, 94% and 91% of these children had immune titers of NAs against poliovirus types 1,2 and 3 respectively. Of 412 umbilical cord blood samples, 82.3%, 80.8% and 68.9% showed NAs at dilution of>1:8 against poliovirus types 1,2,and 3 respectively. These findings suggest that NIDs should be continued to maintain the level of herd immunity at highest standard level, among susceptible and at risk hosts, against all three types of the virus.

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APA: Copy

ROUSTAEI, M.H., SLEIMANDJAHI, H., GHOLIZADEH, M.R., SALARI, S., & AKHAVIZADEGAN, M.A.. (2000). HUMORAL IMMUNITY IN TWO GROUPS OF CHILDREN INDUCED BY TWO SUPPLEMENTAL DOSES OF ORAL POLIO VACCINE, AND IN THE UMBILICAL CORD BLOOD. ARCHIVES OF RAZI INSTITUTE, -(51), 39-46. SID. https://sid.ir/paper/530853/en

Vancouver: Copy

ROUSTAEI M.H., SLEIMANDJAHI H., GHOLIZADEH M.R., SALARI S., AKHAVIZADEGAN M.A.. HUMORAL IMMUNITY IN TWO GROUPS OF CHILDREN INDUCED BY TWO SUPPLEMENTAL DOSES OF ORAL POLIO VACCINE, AND IN THE UMBILICAL CORD BLOOD. ARCHIVES OF RAZI INSTITUTE[Internet]. 2000;-(51):39-46. Available from: https://sid.ir/paper/530853/en

IEEE: Copy

M.H. ROUSTAEI, H. SLEIMANDJAHI, M.R. GHOLIZADEH, S. SALARI, and M.A. AKHAVIZADEGAN, “HUMORAL IMMUNITY IN TWO GROUPS OF CHILDREN INDUCED BY TWO SUPPLEMENTAL DOSES OF ORAL POLIO VACCINE, AND IN THE UMBILICAL CORD BLOOD,” ARCHIVES OF RAZI INSTITUTE, vol. -, no. 51, pp. 39–46, 2000, [Online]. Available: https://sid.ir/paper/530853/en

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