Quantification of specific antibodies against Covid in breast milk of lactating women vaccinated with an mRNA vaccine

JAMA Network

What The Study Did: This observational study conducted at an urban hospital in Spain assesses the concentration of SARS-CoV-2 antibodies in the breast milk of women who received vaccines for COVID-19 and their correlation with serum antibody levels.

Authors: Vicens Diaz-Brito, M.D., Ph.D., of the Parc Sanitari Sant Joan de Déu, in Barcelona, Spain, is the corresponding authors.

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(doi:10.1001/jamanetworkopen.2021.20575)

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