COVID-19 antibodies persist in breast milk for months following mother’s vaccination

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Sumary of COVID-19 antibodies persist in breast milk for months following mother’s vaccination:

  • Nursing mothers who receive a COVID-19 vaccine may pass protective antibodies to their babies through breast milk for at least 80 days following vaccination, suggests new research from Washington University School of Medicine in St..
  • Our study showed a huge boost in antibodies against the COVID-19 virus in breast milk starting two weeks after the first shot, and this response was sustained for the course of our study, which was almost three months long..
  • Louis Based on the small study, involving five mothers who provided frozen breast milk samples after receiving the two-dose Pfizer-BioNTech coronavirus vaccine, the research provides some of the first peer-reviewed evidence that breastfeeding confers a long-lasting immune response in the nursing infants and toddlers of vaccinated mothers..
  • “There is so much vaccine misinformation out there right now – really scary, misleading posts on social media that are designed to scare moms – so we felt like we needed to look at the science,”.
  • “We know that these types of antibodies coat babies mouths and throats and protect against disease when a baby is drinking breast milk..
  • So, getting vaccinated while breastfeeding not only protects mom, but also could protect the baby, too, and for months.”.
  • Published March 30 in the American Journal of Obstetrics and Gynecology, the study tracked levels of COVID-19 antibodies in breast milk from a baseline before the mothers’ first vaccinations and on a weekly basis for 80 days after those initial vaccinations..
  • While other recent research has shown that COVID-19 vaccines generate antibodies that are passed to nursing infants through breast milk, this is thought to be the first study to track specific levels of these antibodies in breast milk over an extended time period..
  • To gauge immune response in the breast milk, researchers monitored levels of the immunoglobulins IgA and IgG, which are antibodies deployed by the immune system to fight infections in babies..
  • Related Stories Findings confirm that breast milk contains elevated levels of the IgA and IgG antibodies immediately following the first dose of vaccination, with both antibodies reaching immune-significant levels within 14 to 20 days of first vaccination in all participants..
  • “Our study is limited by a small number of participants, but the findings provide encouraging news about the potential immune benefit to breast-feeding infants after vaccination,”.
  • “Our paper is the first that has shown COVID-19 antibodies persist in breast milk for months following the mother’s vaccination.”.
  • The Washington University findings are similar to prior studies on maternal vaccination, which have shown high levels of antibodies in breast milk for up to six months following vaccination for influenza and whooping cough…

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