Dr Swati Maheshwari speaks to News Nation and lists the measures that we can take to keep our surroundings free from coronavirus. The nationwide tally of confirmed Coronavirus cases crossed the 1,000-mark and the death toll reached 27 on Sunday, even as the central government ordered sealing of all state and district borders to check community transmission of the deadly virus by migrant workers and asked those having left already to be quarantined for 14 days.