UK: British Prime Minister Boris Johnson hold press conference in Downing Street. Part Two.

The transcript discusses the impact of the crisis on businesses and the government's commitment to support them, including workers and the self-employed. It highlights the importance of preventive measures to slow the spread of the disease and save lives. The government is taking special steps to protect vulnerable individuals, with detailed plans to shield those with serious conditions.

What is the significance of shielding those with serious conditions?

How many people are estimated to be particularly vulnerable according to the text?