Yes. It's a combination of scientific and technical advice being provided by the vaccine task force and then appropriate and thorough due diligence on financial management aspects of the firms that was carried out further by ISED, explaining in some cases the delay between advice to proceed and the announcement of it having happened. When millions of dollars are being spent, careful and thorough financial advice and due diligence needs to be done.
On February 18th, 2021. See this statement in context.