Mumbai, Sept. 12 -- As the number of Covid-19 cases in the state crossed the 10-lakh mark on Friday, experts are saying we will have to learn to live with this pandemic until the vaccine is out. HT spoke to Dr Shashank Joshi, member of the state's Covid task force appointed for clinical management of patients to understand the way ahead. Dr Joshi admitted that the administration has failed to ramp up public health infrastructure adequately and contested the projection of herd immunity in Mumbai saying there was no proven pattern in the world. Excerpts:...