Hybrid immunity in pregnancy increases COVID-19 protection for infants

Hybrid SARS-CoV-2 immunity in pregnancy — immunity from a prior infection plus vaccination — is associated with a greater likelihood of protection at delivery for mothers and infants compared with a prior infection alone, a study found.
“While [hybrid immunity] appears to provide more durable SARS-CoV-2 antibody responses in general, the role of hybrid immunity on durability of maternally derived functional — ie, neutralizing — antibody responses in pregnant people and their infants has not been well characterized,” Sylvia M. LaCourse, MD, MPH, associate

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