| Updated: Jan. 14, 2021, 2:34 a.m. As seniors began to schedule their coronavirus vaccinations in a chaotic first day of registrations around the state, one pattern emerged: Demand for the vaccine is high. Salt Lake County filled all 25,000 of its appointments within hours of opening them to residents ages 70 and up â even after technical glitches crashed both the registration website and the countyâs entire phone system on Wednesday morning. âAnyone who was attempting to get on this morning to get one of those prized appointments â they were frustrated,â Salt Lake ...