# Seroprevalence of Pertussis Among Healthy Children and Adolescents in Kazakhstan

> **NCT04779853** · — · UNKNOWN · sponsor: **Scientific and practical center of sanitary and epidemiological expertise and monitoring** · enrollment: 520 (estimated)

## Conditions studied

- Pertussis

## Interventions

- **DIAGNOSTIC_TEST:** Blood samples for pertussis antibody testing

## Key facts

- **NCT ID:** NCT04779853
- **Lead sponsor:** Scientific and practical center of sanitary and epidemiological expertise and monitoring
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-25
- **Primary completion:** 2021-10-17
- **Final completion:** 2022-07-05
- **Target enrollment:** 520 (ESTIMATED)
- **Last updated:** 2021-03-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04779853

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04779853, "Seroprevalence of Pertussis Among Healthy Children and Adolescents in Kazakhstan". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT04779853. Licensed CC0.

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