Health and Family Welfare Minister, Dr. Harsh Vardhan said that the starting of human clinical trials of the potential Covid-19 vaccine ZyCoV-D of Zydus Cadila is an important milestone for AtmaNirbhar Bharat.<br />''<br />''In a tweet today, he expressed hope that the vaccine continues to show positive outcomes as it has done so far in the pre-clinical phase where it was found to be safe, immunogenic and well-tolerated. He said, the human dosing of the vaccine marks a key milestone since the launching of the accelerated vaccine development programme for COVID-19 in February 2020.<br />''<br />