Related Experiment Video
Updated: Apr 8, 2026

Live-Cell Forward Genetic Approach to Identify and Isolate Developmental Mutants in Chlamydia trachomatis
Published on: June 10, 2020
The Interpretation of Repeat Positive Results for Gonorrhea and Chlamydia in Children
1New York Medical College, Valhalla, New York; Maria Fareri Children's Hospital at Westchester Medical Center, Valhalla, New York.
Insights
Repeat testing for gonorrhea and chlamydia in children is crucial. This case highlights reinfection due to ongoing sexual abuse, not treatment failure or false positives, emphasizing the need for thorough investigation.
Area of Science:
- Pediatric infectious diseases
- Child sexual abuse forensics
- Public health surveillance
Background:
- Gonorrhea and chlamydia diagnoses in prepubertal children strongly suggest sexual abuse.
- Medical providers must report such cases to protective authorities for evaluation.
- Repeat sexually transmitted infections (STIs) in children warrant careful consideration of causes: treatment failure, reinfection, or false positives.
Observation:
- Two prepubertal sisters were diagnosed with gonorrhea and Chlamydia.
- Initial treatment and removal of an abuser did not resolve infections; both children had persistent positive tests for Chlamydia over four months.
- This suggested a potential reinfection despite initial interventions.
Findings:
- Persistent positive nucleic acid amplification tests (NAATs) and/or cultures for Chlamydia indicated ongoing infection.
- Investigation revealed a second adult, positive for gonorrhea and Chlamydia, was also abusing the children.
- Authorities deemed disclosures credible, supporting the reinfection hypothesis.
Implications:
- This case underscores the importance of considering reinfection in prepubertal children with persistent STIs.
- It highlights the limitations of initial interventions when abuse is ongoing and involves multiple perpetrators.
- Medical and protective services must collaborate closely to ensure child safety and address complex abuse scenarios.
Background:
The diagnosis of gonorrhea and/or chlamydia in a prepubertal child beyond the neonatal period is confirmatory of mucosal contact with infective bodily secretions and therefore highly concerning for sexual abuse. When such a diagnosis is made, a report to protective authorities is warranted so that safety and potential criminal activity may be evaluated concurrent with the medical management. Occasionally, despite perceived adequate medical management and protective safety plans, a child may present with a repeat positive result for sexually transmitted infections. In this scenario, it is important for medical providers to carefully consider and be aware of the possible reasons for the repeat positive result: (1) treatment failure, (2) a new infection from repeated abuse, or (3) a false-positive result due to the limitations of nonculture testing.
Case:
Prepubertal sisters were diagnosed with gonorrhea and Chlamydia and treated with antibiotics, and the individual identified as having sexually abused them was removed from the home.
Summary And Conclusion:
Over a 4-month period, both children continued to have positive testing for chlamydia via the nucleic acid amplification test and/or culture. Concurrent with using alternate antibiotic treatment options, protective authorities were alerted to the fact that this was likely a reinfection. The investigative team later determined that a second adult, who tested positive for gonorrhea and chlamydia, was also sexually abusing both girls. Disclosures of abuse regarding both adult individuals were deemed credible by authorities and supported with collateral information.
Related Concept Videos
Sexually Transmitted Infections
Urine Studies II: Urine Culture and Sensitivity Test
Bacterial Phylum Chlamydiae

