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Prevalence of Chlamydial Antibodies in Children
Venusto H. San Joaquin, MD;
Philip J. Rettig, MD;
Jimmie Y. Newton;
Melvin I. Marks, MD
Am J Dis Child. 1982;136(5):425-427.
Abstract
• Humoral antibody to Chlamydia trachomatis was determined in 820 infants and children. Of 120 newborns, 63 (52.5%) had indirect immunofluorescence titers of 1:8 or more to C trachomatis (L-2 strain) in the cord blood. Among the 700 infants and children, a progressive increase in seropositivity was observed: 5% for 1- to 2-year-olds, 25% for 3- to 6-year-olds, and 43% for 7- to 15-year-olds. Seropositivity rates were not related to sex or race; however, significantly higher titers were observed in female compared with male subjects and in blacks compared with whites. These data suggest that C trachomatis infection occurs commonly in children. The nature of the illness, if any, preceding seroconversion is unknown and needs to be elucidated.
(Am J Dis Child 1982;136:425-427)
Author Affiliations
From the Division of Infectious Diseases, Department of Pediatrics, University of Oklahoma Health Sciences Center (Drs San Joaquin, Rettig, and Marks), and Oklahoma Children's Memorial Hospital (Drs San Joaquin, Rettig, and Marks and Ms Newton), Oklahoma City.
Footnotes
Read at the 20th Interscience Conference on Antimicrobial Agents and Chemotherapy, New Orleans, Sept 24, 1980.
Reprint requests to Oklahoma Children's Memorial Hospital, PO Box 26901, Oklahoma City, OK 73190 (Dr San Joaquin).
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