Johnson & Johnson has temporarily halted its Covid-19 vaccine trial because one of its participants had become sick, the company said.
"We have temporarily paused further dosing in all our Covid-19 vaccine candidate clinical trials, including the Phase 3 ENSEMBLE trial, due to an unexplained illness in a study participant," the company said in a statement.
https://www.rte.ie/news/coronavirus/2020/1013/1171154-covid-world/
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