The 83% refers to the percent of adults who have antibodies – which could come from vaccination or having had the disease. They did not measure or estimate the percent of those under 16 who might have acquired immunity.
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Data from blood donations show Americans w/ COVID-19 antibodies increased from 20.5% to 83.3% after the rollout of #COVID19 vaccines. CDC is learning more about how many people need antibodies before the population can be considered protected. Learn more: https://t.co/YMdOt2DWjq pic.twitter.com/yYjEm8ta6Z
— CDC (@CDCgov) September 2, 2021
The 83% refers to the percent of adults who have antibodies – which could come from vaccination or having had the disease. They did not measure or estimate the percent of those under 16 who might have acquired immunity.
