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Does a corona vaccine protect both the mother and the fetus?

The debate over whether pregnant women should be vaccinated against corona or not, and at what stage, is still confusing and even troubling to quite a few women.

New research adds more data to existing information, and tries to show not only whether it is recommended to get vaccinated, but at what stage of pregnancy

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• Vaccine for corona

• Corona

• Pregnancy

Walla!

health

Sunday, 31 January 2021, 08:48

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In the video: Recommendation for vaccinating women who are planning a pregnancy or fertility treatment (Photo: Sheba spokeswoman)

This past weekend, a two-month-old baby died in Israel in the Corona intensive care unit for children and infants at Hadassah Ein Kerem Hospital in Jerusalem.

This tragedy occurs against the backdrop of a call by the Ministry of Health and the World Health Organization for pregnant women to get vaccinated against corona to protect themselves.

But can the vaccine also protect the fetus in its womb?

A new study from the University of Philadelphia shows that antibodies that protect against the corona virus are often passed from mother to baby during pregnancy - a finding that suggests that the mother provides at least some protection to her children.

The findings also show that vaccinating pregnant women may protect unborn babies, the researchers said - and this possibility should be explored.

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To the full article

Dr. Dustin Flannery of Philadelphia Children's Hospital and colleagues studied more than 1,400 mothers and newborns. They found that IgG protective antibodies were passed through the placenta in 72 of 83 pregnant women who were ill or previously infected. During pregnancy, IgG antibodies pass through the bloodstream. Mother to that of the fetus These antibodies pass to the fetus in the last trimester of pregnancy and provide it with protection against infections in the first half of its life.

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The study also found that women who developed COVID-19 earlier in pregnancy were more likely to pass antibodies through the placenta to the fetus.

This is consistent with what we know about how long it can take for a person's body to develop antibodies after a corona virus infection: usually, at least 1-3 weeks.

When should you get vaccinated?

Advanced pregnant woman (Photo: ShutterStock)

"Our findings demonstrate the potential of maternal-specific SARS-CoV-2 antibodies to provide neonatal protection against coronavirus," the team wrote in the Journal of the JAMA Pediatrics.

None of the infants of the mothers infected with the corona developed a disease.

The researchers also reported that 60 percent of the women who were found to have antibodies to the corona virus had no symptoms at all.

Given that mothers infected with corona can pass on some level of viral protection to their babies, it is also possible that "maternal vaccine can do the same," Dr. Flor Munoz, an infectious disease specialist at Baylor College of Medicine, wrote in an editorial accompanying the study. He clarifies that "it is also known that antibodies against other viruses, such as influenza or tetanus, are rapidly degraded as they are passed from mother to baby during pregnancy, so it will be important to learn when and how to vaccinate infants."

Monoz suggested Best, in order to help protect both the baby and the mother from future infection. "The timing of the maternal vaccine to protect the baby, as opposed to protecting the mother only, will require an adequate interval between the vaccine and birth (of at least 4 weeks)," added Munoz.

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