FDA Drug Safety Podcast for Healthcare Professionals: Drug labels for the Tumor Necrosis Factor-alpha (TNFa) blockers now include warnings about infection with Legionella and Listeria bacteria

On September 7, 2011, the Food and Drug Administration issued a Drug Safety Communication informing healthcare professionals that the Boxed Warning for the entire class of Tumor Necrosis Factor-alpha, or TNFa, blockers has been updated to include the risk of infection from two bacterial pathogens, Legionella and Listeria.