NPR's A Martinez speaks with Dr. Daniela Lamas, a pulmonary and critical-care physician at Brigham and Women's Hospital in Boston, about the risk of compassion fatigue for the unvaccinated. A MARTINEZ, HOST: With the highly infectious omicron variant sweeping across the country, many health care workers are facing a deja vu this winter. As American ICUs fill up with mostly unvaccinated patients, doctors and nurses are once again faced with difficult decisions. Dr. Daniela Lamas of Brigham and Women's Hospital in Boston worries that this prolonged situation could lead to compassion fatigue among staff. I asked Dr. Lamas about that...