The hospital bed occupancy in Delhi during the third wave of COVID-19 has been significantly lower than the second wave last year, which had stretched the healthcare infrastructure to its limits, the Union government said on Thursday. Presenting an analysis of the positivity rate and hospitalization trends during the second and third wave in the national capital, Union Health Secretary Rajesh Bhushan said the hospital bed occupancy remained significantly high from April 1 to almost May 20, 2021.