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648

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[–] 1 pt

Still not good, you’d think so but it’s just the spike which will cause OAS, too bad it’s not the full virus or different portions of it.

The term “original antigenic sin” (OAS) was first used in the 1960s to describe how one’s first exposure to influenza virus shapes the outcome of subsequent exposures to antigenically related strains. In the decades that have passed, OAS-like responses have been shown to play an integral role in both protection from and susceptibility to infections.