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Originally Posted by Escape Artist
So? They still can get Covid and shed it, more specifically the variant which they have limited immunity against. So that's what drives the infection rate higher. Only one strain is being shed by those vaccinated driving up the infection rate for all. Not the unvaccinated who can get and shed both strains of the virus which actually weakens it and reduces transmission.
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Those who are vaccinated may still be able to get Covid, but they are much less likely to get it, especially those who have had a booster shot. While the very few who have been vaccinated and still get Covid can potentially shed viral particles, the length of time they shed is very much shorter.
This is from the CDC:
“Fully vaccinated people with Delta variant breakthrough infections can spread the virus to others. However, vaccinated people appear to spread the virus for a shorter time: For prior variants, lower amounts of viral genetic material were found in samples taken from fully vaccinated people who had breakthrough infections than from unvaccinated people with COVID-19. For people infected with the Delta variant, similar amounts of viral genetic material have been found among both unvaccinated and fully vaccinated people. However, like prior variants, the amount of viral genetic material may go down faster in fully vaccinated people when compared to unvaccinated people. This means fully vaccinated people will likely spread the virus for less time than unvaccinated people.”
Delta Variant: What We Know About the Science | CDC.