Johnson & Johnson asked other vaccine makers to help investigate blood clot cases and jointly address any public concerns. Pfizer and Moderna declined, people familiar say. *****lAQlebJdEy — The Wall Street Journal (@WSJ) April 16, 2021
Johnson & Johnson asked other vaccine makers to help investigate blood clot cases and jointly address any public concerns. Pfizer and Moderna declined, people familiar say. *****lAQlebJdEy