Boris Johnson answers questions from media at Downing Street press conference

The transcript discusses the UK's test and trace system, highlighting its challenges and the government's response. The Prime Minister acknowledges the need for faster test result turnaround and emphasizes the importance of self-isolation. Despite frustrations, significant achievements in testing capacity are noted, with future goals to improve the system further.

How has the capacity for testing changed according to the Prime Minister?

What measures are in place to ensure people self-isolate after a positive test?