A leading QAnon promoter who urged both her followers and strangers she passed on the street not to take the COVID vaccine died Thursday of the coronavirus, making her just the latest vaccine opponent killed by the disease. Cirsten Weldon had amassed tens of thousands of followers across right-wing social media networks by promoting the pro-Trump QAnon conspiracy under the screenname “CirstenW.” She was prominent enough to become a sort of QAnon interpreter for comedian conspiracy theorist Roseanne Barr and started recording videos about QAnon with her. In late December, however, Weldon started showing symptoms of coronavirus infection. In her...