Vaccination of pregnant women against coronavirus can help prevent infant treatment with Covid-19, especially if expectant mothers were vaccinated in advanced pregnancy, US researchers announced today.
The findings shed light on the question of whether the benefits of vaccination during pregnancy extend to newborns, who would be too young to be vaccinated themselves.
Researchers from various pediatric hospitals and the Centers for Disease Control and Prevention (CDC) in the United States examined children under 6 months of age between July 2021 and January 2022.
The study analyzes data from 379 hospitalized infants, 176 with Covid-19 and 203 admitted for other reasons. Covid-19 vaccines were found to be 61% effective in preventing the treatment of infants whose mothers were vaccinated during pregnancy.
This protection increased to 80% when mothers were vaccinated from the 21st week of pregnancy until 14 days before delivery. The effectiveness of the vaccines was reduced to 32% for infants whose mothers had been vaccinated at an earlier stage of pregnancy.
The study authors warned that estimates of the effectiveness (of vaccines) in the first weeks of pregnancy should be interpreted with caution because of the small sample.
“At this stage we want to make sure we protect both mom and baby,” Dana Mini-Delman of the CDC told reporters. “Therefore, as soon as a pregnant woman is willing to be vaccinated, she should do so,” she added.
Pregnant women are at increased risk for serious Covid-19 disease, and coronavirus infection during pregnancy can increase the risk of preterm birth, stillbirth and possibly other pregnancy complications, according to the CDC.
It is recalled that previous studies have shown that vaccination of pregnant women against Covid-19 was not associated with premature birth or low birth weight newborns.
Source: AMPE
Source: Capital
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