Preparation for dry run at COVID- 19 centre in Mumbai January 7, 2021 by Minhaj Adnan Mumbai: Health workers prepare for the dry run of COVID-19 vaccination at a Covid-19 center in Mumbai, Thursday, Jan. 7, 2021. (PTI Photo/Kunal Patil) Mumbai: Health workers prepare for the dry run of COVID-19 vaccination at a Covid-19 center in Mumbai, Thursday, Jan. 7, 2021. (PTI Photo/Kunal Patil) Mumbai: Health workers prepare for the dry run of COVID-19 vaccination at a center in Mumbai, Thursday, Jan. 7, 2021. (PTI Photo/Kunal Patil)