read what the report says: [...] coronavirus will probably kill under 20,000 people in the U.K. — more than 1/2 of whom would have died by the end of the year

read what the report says: [...] coronavirus will probably kill under 20,000 people in the U.K. — more than 1/2 of whom would have died by the end of the year in any case [because] they were so old and sick [...]