Ahmedabad: Managing Director of Zydus Dr. Sharvil Patel today said: The clinical trial phase of Zydus vaccine against Covid19 is over. Our vaccine had largest clinical study on Indian population covering over 28,000 patients. We have covered all groups including those above 60-75 years age, comorbid young ones and even 12-18 years children. We expect efficacy results to be out in the month of May this year and then we will apply with DCGI for emergency use approval. We have given lot of data to DCGI already. After we submit the results in the month of May, the approval is expected to be out in two to three weeks period. Ours will be a three-dose vaccine. Our another trial on two-dose is also over and the data will be out in May. We will then take call on which is better three-dose or two-dose. For now, it’s three-dose vaccine. DeshGujarat