Trouwens, gelijkaardige bevestiging vanuit de UK:
https://www.medrxiv.org/content/10.1....02.21262979v1
Citaat:
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Using self-reported vaccination status, we estimated adjusted vaccine effectiveness against infection in round 13 of 49% (22%, 67%) among participants aged 18 to 64 years, which rose to 58% (33%, 73%) when considering only strong positives (Cycle threshold [Ct] values < 27); also, we estimated adjusted vaccine effectiveness against symptomatic infection of 59% (23%, 78%), with any one of three common COVID-19 symptoms reported in the month prior to swabbing
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En dat was in begin juli (die ze round 13 noemen).