Cabinet will review Covid levels today, but the Prime Minister is already framing today's announcement more as a "roadmap" forward, after vaccination rates fell 87,000 short of a 90 percent goal for any loosening the city's lockdown. A big chunk of the Waikato is now included in level 3, after cases appeared outside of the Auckland border over the weekend. There is a growing call for a clearer path forward, and more detail about what people can plan for depending on vaccination rates achieved. The government's expert advisory group is also re-working the re-opening plan for next year that it delivered to government in August, just before the Delta outbreak. High vaccination levels are being touted by the government and experts as the way out of lockdowns. But where exactly are we at, and what will be possible at different levels of vaccination? Kathryn speaks with Covid-19 modeller, Professor Michael Plank from the University of Canterbury.