7NEWS Update: Wednesday January 13, 2021

There are calls for Australia's coronavirus vaccine strategy to be re-evaluated, with concerns Oxford's AstraZeneca jab might not be as effective as Pfizer's; The Australian Formula 1 Grand Prix has been officially postponed for a second straight year, while the Australian Open is going ahead with the first of 1,200 players and officials to begin arriving in Melbourne from tomorrow; and total fire bans are in place across much of Australia's southeast as a heatwave keeps crews on alert. Presented by Jodie Speers. More news across the day on 7NEWS.com.au and 7Plus. Hosted on Acast. See acast.com/privacy for more information.