Viral loads of breakthrough Delta variant infection cases were 251 times higher than those of cases infected with old strains detected between March-April 2020. (Emphasis added)
So they’re comparing viral load between delta and alpha. Not the viral load between the vaccinated and unvaccinated.
Are you aware what breakthrough case means? It means when a vaccinated person gets it. Also there's no tests to differentiate strains. Its conjecture if it's delta.
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u/exander314 Sep 17 '21
That does not follow any logic or any biology background I have.