WestlawNext Canada has added a section on COVID-19 materials in their finding tools to help find legislation and cases affected by the pandemic.
For those with access to Westlaw, you can find it at the bottom of the finding tools on the front page. These materials include legislation, cases, and bill progress.
Thompson Reuters has also made available a number of free resources, including a Global Coronavirus Toolkit with practice notes, standard clauses, and checklists.