As the third surge of the coronavirus pandemic continues in the DMV, packing hospitals with mostly unvaccinated patients, health care workers on the front lines are exhausted. In some ways, this phase has been the hardest yet. Earlier this summer, it looked like the widespread availability of vaccines might mean the pandemic was behind them. Now, those on health care’s front lines say they're baffled that after so much pain and death, there is still even a debate over whether to get vaccinated or wear a mask in public. Here are some of their stories.