Strong immunity against coronavirus infection is about the same between people who got vaccinated and then had a breakthrough infection vs. others who got infected first and then received immunization, a new study reveals.
Researchers compared immune reactions to coronavirus variants using blood samples in a laboratory. The research was done before the emergence of the Omicron variant, although the investigators believe the findings still apply.
"Prior infection is a ticket to enhancing your immune response to vaccination, giving more potent immunity than vaccine alone," says Messer, an associate professor of molecular microbiology and immunology at Oregon Health and Science University. "I think there has been some confusion around natural immunity being somehow equivalent to vaccine-elicited immunity in terms of [being] just as complete or protective," Messer says.
"One big message is that our work shows vaccines still can and should play an important role in protection," Messer says.
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