Winding through the basement of the hospital, past the spin studio that has been closed for a long time, I follow the snaking line of people. I stand on my designated dot on the floor, a reminder of the physical distancing measures we’ve all grown accustomed to this past year. I go through registration, and then into another line, multiple staff directing me at every turn, ensuring we respect the space and flow in this most circuitous of marathons. I sit down beside a nurse, who goes through the consent form one last time, as she picks up the needle...