Nation Eli Lilly and Johnson & Johnson have paused COVID-19 vaccine trials. Why experts say that’s reassuring, not frightening October 13, 2020October 14, 2020Karen Weintraub and Elizabeth Weise, USA TODAYComments Off on Eli Lilly and Johnson & Johnson have paused COVID-19 vaccine trials. Why experts say that’s reassuring, not frightening Experts say the pause on COVID-19 vaccine and treatment trials isn't unusual but shows scientific safety processes are working.