This is according to a joint study by Tel Aviv University and Tel Aviv Sourasky-Ichilov Medical Center
A new study by Tel Aviv University and Tel Aviv Sourasky-Ichilov Medical Center states that giving a corona vaccine to breastfeeding women encourages the creation of important antibodies in the breast milk that may contribute to the protection of the nursing baby.
The leading team of researchers at Tel Aviv University included Dr. Yariv Wein and PhD student Aya Kegel from the Shemunis School of Biomedical Research and Cancer Research, Faculty of Life Sciences. At the "Lis" Hospital for Maternity and Women, the Tel Aviv Medical Center, the team of researchers worked under the leadership of Dr. Michal Rosenberg Friedman and Prof. Ariel Mani.
According to the researchers, the purpose of the study was to determine if the Pfizer company's corona vaccine is effective in creating antibodies in breast milk and what the qualities of these antibodies are (ie whether they have the ability to neutralize the virus).
The study was conducted in the months of January - February, close to the arrival of the vaccines in Israel. The study included 10 lactating women. The volunteers received a corona vaccine in two doses 21 days apart and the antibody levels in the blood and milk were tested at 4 time points after the vaccination.
The study shows that the increase in the levels of vaccine-specific antibodies is well synchronized between the blood and the milk. The significant increase in blood and milk occurs 14 days after the first dose, and continues to increase 7 days after the second dose.
Also, the researchers found that the antibodies that develop in the milk have a neutralizing ability (with the ability to block the binding of the virus to the receptor on the storage cell and are important for preventing disease).
Dr. Wayne: "Overall, the encouraging data shows that giving a corona vaccine to breastfeeding women encourages the creation of important antibodies in the mother's milk that may contribute to the protection of the nursing baby.
The article is currently under peer review. For an article on a promotional website
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It is also necessary to check whether these antibodies are expressed in the baby, or are they only in the milk and do not pass from his digestive system into the bloodstream?
This also raises the question that if antibodies are indeed absorbed through the digestive system, perhaps there is a possibility of giving a boost vaccine to patients orally.