National medical director for England Stephen Powis speaks at a coronavirus press conference inside 10 Downing Street

Professor Paris discusses the NHSS mass vaccination program in England, highlighting the expansion of vaccination sites, including Epsom Racecourse, and the progress made with over two million doses administered. A detailed strategy is being published to maintain momentum.

What role do GP surgeries and hospitals play in the vaccination program?

What is the detailed strategy mentioned in the text aimed at?