'COVAXIN Efficacy Will be Determined Post Second Dose', Clarifies Bharat Biotech as Anil Vij Tests Positive, Days After Taking Trial Dose of Vaccine

New Delhi: ‘Covaxin clinical trials are based on a 2-dose schedule and its efficacy will be determined 14 days post the second dose’, said Bharat Biotech, the manufacturer of India's domestic vaccine on Friday. The clarification by Bharat Biotech comes after Haryana Home Minister Anil Vij, who received the first dose of Covaxin, during its Phase-III trial in the state, tested positive for the virus.

“The phase-3 trials are double-blinded and randomized, where 50% of subjects (participants in the trial) receive vaccine & 50% of subjects receive placebo”, said the pharmaceutical company.