Posted in Web Johnson & Johnson Booster Shot ‘Likely’ Will Be Necessary … October 12, 2021 Topline. Americans who received Johnson & Johnson’s Covid-19 vaccine are expected to need a booster shot, U.S. Surgeon General Dr. Vivek Murthy said Sunday, but the government is still waiting … https://www.forbes.com/sites/alisondurkee/2021/08/22/johnson–johnson-booster-shot-likely-will-be-necessary-surgeon-general-says-possibly-with-a-different-vaccine/