Print this article Pharmaceutical giant Johnson & Johnson is prepared to distribute 20 million doses of its single-shot vaccine to prevent COVID-19 if it wins regulatory authorization in the coming days. “Assuming necessary regulatory approvals relating to our manufacturing processes, our plan is to begin shipping immediately upon emergency use authorization, and deliver enough single-doses by the end of March to enable the vaccination of more than 20 million Americans,” said Richard Nettles, Johnson & Johnson’s vice president of medical affairs for the company's pharmaceutical division Janssen. Nettles will face the House Energy and Commerce Committee Tuesday to discuss positive findings in clinical trials for its shot, which will be considered for emergency use authorization by the Food and Drug Administration’s outside panel of experts on Friday.