UK: Prime Minister Boris Johnson hosts coronavirus press conference inside 10 Downing Street.

The video discusses the effectiveness of vaccination in reducing transmission and protecting against severe illness and death. Despite this, there are concerns about the Delta variant, which is spreading rapidly and causing a significant increase in COVID-19 cases and hospitalizations, particularly in England and the Northwest.

What impact does vaccination have on transmission and protection against serious illness?

What demographic is mentioned as having a lower vaccination rate?

What concerns are raised regarding the Delta variant?

What percentage increase in cases is being observed weekly?

How has the number of hospital admissions changed in England?