Peter Loftus writes about the pharmaceutical industry and health care for the Wall Street Journal from Philadelphia. His coverage areas include large drugmakers such as Johnson & Johnson, Merck, and Eli Lilly and the latest developments in drug research. He has followed the chase for a Covid-19 vaccine since the beginning and is part of a Journal reporting team that was a finalist for the Pulitzer Prize.You can find Peter Loftus on Twitter @loftus.