(STL.News) Participants received a vaccine or placebo in a 1:1 ratio, which showed that the vaccine candidate was well-tolerated, said the company. <span style="display: inline-block; width: 0px; overflow: hidden; line-height: 0;" data-mce-type="bookmark" class="mce_SELRES_start">?</span> Post navigation US News: Despite vaccines, CDC warns of a 4th wave of COVID-19 California: Recommendations for Johnson & Johnson COVID-19 Vaccine
