Commentary by Shira Doron, MD, Chief Infection Control Officer at Tufts Medicine and Hospital Epidemiologist at Tufts Medical Center, about a potential shift in the COVID-19 vaccine strategy for the United States.

Supriya Rao, MD, Gastroenterologist and Medical Director of the Obesity Medicine Program at Lowell General Hospital, in an article about whether a blood test could diagnose Crohn’s disease.

Anastassios Pittas, MD, Chief of the Division of Endocrinology, Diabetes and Metabolism at Tufts Medical Center and Daniel Weiner, MD, Nephrologist and Director of Dialysis Services at Tufts MC, in an article about a new meta-analysis, which found that the use of vitamin D in the treatment of patients with chronic kidney disease requires an individualized approach.

Q&A with Navin Kapur, MD, Interventional Cardiologist and Executive Director of the CardioVascular Center for Research and Innovation at Tufts Medical Center, in an about the future of complex percutaneous coronary intervention.

Nicholas Hill, MD, Pulmonologist at Tufts Medicine and Chief Emeritus of Pulmonary, Critical Care and Sleep Medicine at Tufts Medical Center, in an article about how the right side of the heart can provide information as to the effectiveness of a patient’s therapy for pulmonary arterial hypertension.

Farah Moustafa, MD, Dermatologist and Director of Laser and Cosmetics at Tufts Medical Center, in an article about eczema itch.

Matthew Salzler, MD, Orthopedic Surgeon and Chief of Sports Medicine at Tufts Medical Center, in an article about the latest updates from yesterday’s Boston Marathon.

Geoffrey Binney, MD, Pediatrician-in-Chief at Tufts Medical Center, in an article about how the termination of a federal newborn screening advisory committee will affect newborn care in Massachusetts.