Edited sentence: "  The two Kaiser doctors have spoken at medical conferences throughout the world promoting Prevnar to their medical colleagues.Black and Shinefield  undertook most of the studies on Prevnar which proved its efficacy and safety.Black asserted, "This vaccine is urgently needed...It is great news for parents and physicians.Edwards, Vanderbilt University School of Medicine.Henry Shinefield, Kaiser Permanente.In promoting the idea of adding four more injections to the universal US vaccination schedule, Dr.Jerome Klein, Boston Medical Center.Kathryn M.Key supporters of adding Prevnar to universal vaccination schedules included:.Margaret B.Pelton, Boston Medical Center.Rennels, University of Maryland Medical Center.Shinefield has said, "It's a remarkable vaccine that will have a dramatic effect.Stephen I.Steven Black, Kaiser Permanente