Consumers are retrenching in the face of the delta variant of the coronavirus, with 20% “highly optimistic” about a return to normal, down from a third at the beginning of the summer, according to Numerator research. Nearly 60% are “very or somewhat concerned” about holiday plans being disrupted by the pandemic, Berkeley Research Group found. The number of people who said they had resumed pre-COVID behaviors fell for the first time, from 39% in July to 27% in August, Numerator said. Nearly half say they expect a full reopening to be delayed until 2022 or later, up from 23% who said so in July and 18% in June, the firm found. Read more at Retail Dive.