Fifteen states and Union Territories have not reported any death due to COVID-19 in last 24 hours, the government said today, highlighting the weakening hold of the virus over the country. While the number of fresh daily cases has been on a steady decline, over the last five weeks, there has been a 55 per cent decline in the average daily deaths. In the last one week, seven states and Union Territories have recorded no fatality, the Union health ministry said.