The animal trials of Indian Covid19 vaccine ‘COVAXIN’ are successful. The Hyderabad based firm Bharat Biotech announced promising results of tests seen in monkeys given COVAXIN vaccine. The vaccine promises to have a good response to the immune system. The vaccine has now reached the phase 1/2 trials and is now ready for clinical trials. The volunteers have been selected for the clinical trials and the trial will begin AIIMS (Patna). Eighteen volunteers at AIIMS Patna will undergo these checkups before being trialed with the vaccine dosage. Worldwide, a total of 155 vaccines are in different stages of development, of which 22 have reached human trial stage, with Bharat Biotech’s COVAXIN being one among them.