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Vaccine Shedding

Vaccine shedding is a modern conspiracy theory claiming that vaccinated people can spread harmful vaccine material to others through breath, skin contact, sweat, sex, proximity, or shared space. In reality, the myth misuses a real immunization term: limited shedding can occur with some live attenuated vaccines, but the COVID-19 vaccines at the center of this conspiracy—especially mRNA vaccines—do not contain live virus and are not known to 'shed' vaccine components into nearby people.