J&J halts covid-19 vaccine trial because of unexplained illness J&J halts covid-19 vaccine trial because of unexplained illness
TUESDAY, OCTOBER 13, 2020
Johnson & Johnson said its covid-19 vaccine study has been temporarily halted after a clinical trial participant experienced an unexplained illness, the second time that a front-runner developer has paused a trial amid the intensifying race to create a viable immunization against the novel coronavirus.