Nation The US has paused its use of J&J’s COVID-19 shot. How will that impact vaccine equity? April 16, 2021Nada Hassanein, USA TODAYComments Off on The US has paused its use of J&J’s COVID-19 shot. How will that impact vaccine equity? U.S. officials leaned on the one-dose J&J vaccine for hard-to-reach, vulnerable people before health officials recommended pausing its use this week.