This scanning electron microscope image made available by the Centers for Disease Control and Prevention shows rod-shaped Pseudomonas aeruginosa bacteria. U.S. officials are reporting two more deaths and additional cases of vision loss linked to eyedrops tainted with the drug-resistant bacteria. The eyedrops from EzriCare and Delsam Phama were recalled in February 2023 and health authorities are continuing to track infections as they investigate the outbreak. (Janice Haney Carr/Centers for Disease Control and Prevention via AP, File)