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Right now there are data that suggest that vaccinated and unvaccinated [ people ] have the same level at a particular time point, but if you follow that over time, the vaccinated people's viral load drops much faster. ... There's still a lot less virus in vaccinated people than there is( in) unvaccinated people. So there would be less transmission going on in vaccinated people, but there may be some transmission... It's just a matter of degrees ; it's a little nuanced.