<span style="color: #222222;">The Brihanmumbai Municipal Corporation has said that the first phase of the clinical trial of the Oxford University's Covid vaccine candidate in Mumbai is over and from tomorrow onwards, it will start the second phase of its trial by giving the second injection to each of the volunteers who received the first shot. <br />''<br />''AIR Correspondent reports, according to BMC Additional Municipal Commissioner Dr Suresh Kakani, the trial has been going on at BMC's KEM Hospital, Parel, and Nair Hospital near Mumbai Central railway station. Each hospital had 100 volunteers who participated in the trial. <br />''<br />''Kakani said that the vaccine was given in batches of three or four volunteers, whose identity was not revealed in accordance with ethics committee's rules. He informed that the second shot has to be given after 28 days. The trial is a joint effort by Oxford University, pharma major AstraZeneca and Punebased Serum Institute of India, which will make it.</span><br />''