Boris Johnson delivering government daily coronavirus press briefing

The video provides an update on COVID-19 statistics in the UK, focusing on patient numbers, death rates, and infection rates. It highlights a decrease in patients requiring mechanical ventilation and a consistent fall in daily death rates, indicating progress in managing the pandemic. The infection rate is also decreasing, with reliable data from SAGE supporting these trends.

What does the second test mentioned in the text refer to?

What is the current daily death rate from COVID-19 as measured by a seven-day rolling average?