Govt allows 24x7 vaccination; Covaxin shows 81% interim efficacy | 10 points on Covid vaccines The govt has allowed hospitals to carry out Covid-19 vaccination round-the-clock in order to speed-up the vaccination drive. Meanwhile, results of Phase 3 trials of Covaxin show it demonstrates 81 per cent interim efficacy. advertisement Bharat Biotech announced interim results of Phase 3 trials of Covaxin on Wednesday. (Photo: PTI) In a boost to India's nationwide Covid-19 vaccination drive, Bharat Biotech on Wednesday announced that interim analysis of Phase 3 clinical trials of its Covid-19 vaccine candidate, Covaxin, show the vaccine demonstrates 81 per cent interim efficacy. Meanwhile, to speed up the vaccination drive, the central government has now allowed all private hospitals to administer Covid-19 vaccines. It has also done away with the 9am to 5pm time limit for vaccination. Now, hospitals are free to carry out 24X7 vaccination.