# Is COVID-19 Transmitted Through Human Milk? Implications for Breastfeeding and Human Milk Banking-Study 1c

> **NCT05004740** · — · COMPLETED · sponsor: **Deborah O'Connor** · enrollment: 78 (actual)

## Conditions studied

- COVID-19 Vaccine
- Breastmilk

## Interventions

- **OTHER:** Vaccinated Pregnant or Lactating persons

## Key facts

- **NCT ID:** NCT05004740
- **Lead sponsor:** Deborah O'Connor
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-01-17
- **Primary completion:** 2022-04-27
- **Final completion:** 2023-04-27
- **Target enrollment:** 78 (ACTUAL)
- **Last updated:** 2025-06-06

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05004740

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05004740, "Is COVID-19 Transmitted Through Human Milk? Implications for Breastfeeding and Human Milk Banking-Study 1c". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT05004740. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
