CDC Study Finds Vaccinated People 3 Times As Likely To Contract COVID All Things Vax October 3, 2021October 3, 2021VOVLeave a Comment on CDC Study Finds Vaccinated People 3 Times As Likely To Contract COVID During July 2021, 469 cases of COVID-19 associated with multiple summer events and large public gatherings in a town in Barnstable County, Massachusetts, were identified among Massachusetts residents; vaccination coverage among eligible Massachusetts residents was 69%. Approximately three quarters (346; 74%) of cases occurred in fully vaccinated persons (those who had completed a 2-dose course of mRNA vaccine [Pfizer-BioNTech or Moderna] or had received a single dose of Janssen [Johnson & Johnson] vaccine ≥14 days before exposure).