The Cleveland Clinic on Tuesday released a study showing that 99.75% of patients hospitalized with COVID-19 between Jan. 1 and April 13 were not fully vaccinated, according to data provided to Axios. … The study also looked at 47,000 Cleveland Clinic employees who had received one shot, both shots or no shots at all. The Cleveland Clinic found that 99.7% of its employees who were infected with the coronavirus were not vaccinated, and 0.3% of infections occurred in those who were fully vaccinated.