Amid the Twitter war between Bharat Biotech's Raches Ella and Kolkata researcher Dr Aswadhesh Kumar Singh over Covaxin versus Covishield, Bharat Biotech on Wednesday informed that the company will conduct a phase 4 trial of its vaccine to check the real-world effectiveness of Covaxin. Its phase 3 trial data will be published in July, the company said, after which it will apply for full licensure.

(With input from agencies)