Elderly and at-risk inmates to receive COVID-19 vaccine on Friday In an email, CSC explained that the Regional Treatment Centre at Millhaven Institution, along with other sites across the country, would be giving the vaccine to 600 elderly inmates, prioritized by age and underlying conditions.CSC said the inmates will be receiving the Moderna vaccine.CSC also said that staff working at federal institutions are also “top of mind” when it comes to vaccines, but says provinces will be administering vaccines to employees.“We have been working closely with provinces to identify our health-care and frontline workers for prioritization and some health care staff have already been vaccinated.