Your pamphlet was published in June, at the start of the Delta-variant infection spike. On average, it takes eighteen days before someone infected with COVID-19 passes away from it.

The UK had 769 COVID-19 related deaths over the last week, which was up from 654 the week before. Source: https://www.ons.gov.uk/peoplepopulationandcommunity/healthan...

The UK has had a total case fatality rate of 1.9%. Source: https://coronavirus.jhu.edu/data/mortality