Saint Luke's Health System expects to vaccinate 1,000 front line workers by Friday Vaccinations started on Wednesday and last updated 2020-12-17 18:17:16-05 KANSAS CITY, Mo. â As the Pfizer COVID-19 vaccine makes it's way to to Kansas City, Missouri, more front line workers are being vaccinated. Kristin Sollars was the first nurse at the Saint Luke's Health System to be vaccinated with the Pfizer vaccine on Wednesday. It's a sign of hope for her. "I have been a nurse for 15 years. I have never seen the acuity of our patients like this level. That has gotten everyone a little more hyped up, a little more aware," Sollars said. "Yesterday was the first day it felt really hopeful and in that way a lot of us have tears in our eyes for kind of parts of the day."