Chief medical officer of health COVID-19 update – March 2, 2021 Alberta’s chief medical officer of health and officials provide an update on COVID-19 and the ongoing work to protect public health. Some parts of this page will not display. JavaScript is not available in this browser or may be turned off. Check against delivery. Thank you, Minister, and good afternoon. Before I begin, I’d like to let you know that AHS is performing an upgrade to the AHS online immunization booking tool. This upgrade will temporarily prevent access to the booking tool from 2 am to 4 am tomorrow morning. Access to Health Link 811 will not be affected and remains readily available.