J&J doses return in low volume as vaccine demand wanes Julia Bergman and Amada Cuda April 26, 2021 FacebookTwitterEmail In this file photo taken on March 3, 2021, a vial of the Johnson & Johnson COVID-19 vaccine is viewed at Hartford Hospital in Hartford, Connecticut.Joseph Prezioso / Getty Images The return of the Johnson & Johnson vaccine following a temporary pause will likely have little impact on the COVID-19 vaccine rollout in Connecticut, which is seeing waning demand. Several Connecticut providers said they are not relying on the resumption of the J&J vaccine to meet their numbers. The state is hoping the “one and done” vaccine will still appeal to those who, before the pause, expressed interest in it for that reason.