Summary: Featuring articles on PCI strategies in cardiogenic shock, macrophage checkpoint blockade with anti-CD47 in lymphoma, sildenafil for symptoms of idiopathic pulmonary fibrosis, health care-associated infections in U.S. hospitals, and Lassa fever in Nigeria; a review article on emerging roles of cell-free tumor DNA in oncology; a Clinical Problem-Solving describing a complex deposit; and Perspective articles on what we can do about maternal mortality, on postpartum care in the United States, on health regulation for the digital age, and on becoming a caregiver.
