Johnson has concerns about vaccine roll out Age Friendly chair says she's concerned the system will be overwhelmed when bookings begin on March 15. Feb 25, 2021 12:56 PM By: Leith Dunick Updated Age Friendly Thunder Bay chair Rebecca Johnson on Thursday, Feb. 25, 2021, said she's glad to see a timeline for vaccinations in place, but worries the process might prove difficult for many seniors. (Leith Dunick, tbnewswatch.com) THUNDER BAY – The chair of Age Friendly Thunder Bay says Ontario’s vaccine roll-out plan provides some clarity for seniors awaiting their COVID-19 shot. However, Rebecca Johnson said there are still far too many questions unanswered and concerns about process.