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Karimi, Abdollah, Sanaei Dashti, Anahita, Arjmand, Reza, Moghadami, Mohsen, Kheirkhah, Taherh, Shiva, Farideh, Gholinejad, Zari, Joulaei, Hassan. (1391). Serologic Evidence of Pertussis Infection in Vaccinated Iranian Children. سامانه مدیریت نشریات علمی, 37(4), 260-265.
Abdollah Karimi; Anahita Sanaei Dashti; Reza Arjmand; Mohsen Moghadami; Taherh Kheirkhah; Farideh Shiva; Zari Gholinejad; Hassan Joulaei. "Serologic Evidence of Pertussis Infection in Vaccinated Iranian Children". سامانه مدیریت نشریات علمی, 37, 4, 1391, 260-265.
Karimi, Abdollah, Sanaei Dashti, Anahita, Arjmand, Reza, Moghadami, Mohsen, Kheirkhah, Taherh, Shiva, Farideh, Gholinejad, Zari, Joulaei, Hassan. (1391). 'Serologic Evidence of Pertussis Infection in Vaccinated Iranian Children', سامانه مدیریت نشریات علمی, 37(4), pp. 260-265.
Karimi, Abdollah, Sanaei Dashti, Anahita, Arjmand, Reza, Moghadami, Mohsen, Kheirkhah, Taherh, Shiva, Farideh, Gholinejad, Zari, Joulaei, Hassan. Serologic Evidence of Pertussis Infection in Vaccinated Iranian Children. سامانه مدیریت نشریات علمی, 1391; 37(4): 260-265.

Serologic Evidence of Pertussis Infection in Vaccinated Iranian Children

Iranian Journal of Medical Sciences
مقاله 6، دوره 37، شماره 4، اسفند 2012، صفحه 260-265    اصل مقاله (413.91 K)
نوع مقاله: Original Article(s)
نویسندگان
Abdollah Karimi* 1؛ Anahita Sanaei Dashti1؛ Reza Arjmand2؛ Mohsen Moghadami3؛ Taherh Kheirkhah4؛ Farideh Shiva1؛ Zari Gholinejad1؛ Hassan Joulaei3
1Department of Pediatric Infectious Diseases, Pediatric Ward, Pediatric Infections Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2Department of Pediatrics, Pediatric Ward, Shahrekord University of Medical Sciences, Shahrekord, Iran
3Vice-Chancellor for Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4Health Policy Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
چکیده
Background: It seems that the incidence of pertussis-like illnesses is considerably increasing despite the wide coverage of immunization with the whole cell pertussis vaccine. We aimed to investigate the occurrence of pertussis in vaccinated children by measuring anti-pertussis antibodies.
Methods: In this cross-sectional study, blood samples were taken from vaccinated children aged 2, 4, 6, 12, 18, and 72 months. Anti-pertussis IgG and IgA were measured by ELISA. P<0.05 was considered significant.
Results: 725 children were enrolled in the study. Geometric mean titers for IgG that showed a slight decease after 2 months of age and increased distinctly in children aged 72 months. The frequency of the individuals whose IgG was above the determined cut-off (derived from mean+2SD) was observed in 1% of the 2, 4, and 6-month-old infants, 6% of the 12 and 18-month-olds and 12% of the 6-year -old children. Positive IgA titers were detected in 5, 9, 6, 23, 11, and 8% of children aged 2, 4, 6, 12, 18, and 72 months, respectively.
Conclusion: Since a considerable percentage of children had high levels of anti-pertussis IgG antibodies (≥2 SD), positive anti-pertussis IgA, and most importantly an increased level of anti-pertussis IgG geometric mean titer at 6 years of age, further investigations regarding the protection provided by the presently used pertussis vaccine seems necessary.
کلیدواژه‌ها
Pertussis؛ Whooping cough؛ Pertussis vaccine
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