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.
The report ranks 42 major cities of the world across six key measures of economy, research and development, culture, accessibility, environment and livability
On the index, India has a score of 4.52 while that of Switzerland is 5.81
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