"Out of 469 positive cases identified, nearly three-quarters of cases were in fully vaccinated people. Delta was determined to be the culprit in these cases, not older strains or some new variant. And — most surprisingly — the amount of virus measured in a subset of people who tested positive was nearly identical among vaccinated and unvaccinated people."Fascinating story of citizen science but maybe misses the real headline? Are breakthrough cases more common than they’ve been saying they should be? And why isn’t the CDC studying overall breakthrough rates?