Nobel laureate Peter Doherty says his 'big worry' is there could be refusals for other vaccines if doubts over its safety turn out to be true.

The Australian immunologist, who cautioned that the number of COVID-19 cases will rise in the coming days, said the earliest time frame for an effective vaccine 'going into large numbers of people' is nine to 12 months.

Our election slogan is simple "Ballot for Bullet".

The economist was also critical of demonetisation and the way Good and Services Tax was implemented.