Test Positivity Rate (TPR) in Odisha may decline to 5% in the next two weeks. Senior Health Expert, Dr. Niraj Mishra on Monday informed that the lockdown in the state has been effective to bring the positivity rate to 7.5% from 26%. He also said that the lower efficacy of the vaccine against double mutant strains is a cause of worry. However, the expert opined that we have to ensure adequate inoculation with whatever vaccine we have at our disposal.