AdvertisementVaccinating Homeless Patients Against COVID-19: 'All Bets Are Off'04:37Download AudioResumeFebruary 17, 2021Yuki NoguchifacebookEmailNurse Modesta Littleman vaccinates patient Peter Sulewski in late January, on the first day of vaccinations at a clinic run by Health Care for the Homeless in Baltimore. (Yuki Noguchi/NPR)