CNN2: subjectpartBANNER=|Johnson & Johnson halts Covid-19 vaccine trial after unexplained illness| ((lubuntu at wor3)))

|| screaming-banner-text banner-text-size--char-47" data-analytics="_list-hierarchical-xs_article_"> Johnson & Johnson halts Covid-19 vaccine trial after unexplained illness ||The company did not say what the unexplained illness was, but one point of clinical trials is to find out if vaccines cause dangerous side effects