Key clinical point: Transmission of SARS-CoV-2 from mother to infant through breast milk appears unlikely.
Major finding: Viral RNA suggesting SARS-CoV-2 was found in a breast milk sample from one woman with a SARS-CoV-2 infection out of 18 who were tested, but no replication-competent virus was detected.
Study details: The data come from breast milk samples from 18 breastfeeding women with positive tests for COVID-19.
Disclosures: The study was supported by the National Institute of Allergy and Infectious Diseases, the Eunice Kennedy Shriver National Institute of Child Health and Human Development, and the National Institute of Mental Health. Medela Corporation provided milk sample collection materials. The Family Larsson-Rosenquist Foundation provided an unrestricted COVID19 emergency gift fund. The Mothers’ Milk Bank at Austin paid for shipping costs.
Chambers C et al. JAMA. 2020 Aug 19. doi: 10.1001/jama.2020.15580.