According to Government data, infections increased by 5,379 on Tuesday, taking the total number of positive cases in the UK to 4,307,304.
Meanwhile the latest Government data up to March 22 shows that of the 30,691,557 coronavirus vaccines given in the UK so far, 28,327,873 were first doses – a rise of 329,897 on the previous day.
Some 2,363,684 were second doses, an increase of 82,300.
MPs and peers in both Houses of Parliament and ministers in the devolved nations marked the anniversary at midday, while NHS and social care workers also joined the pause for reflection.
Nation falls silent to remember Covid-19 victims
Cathedrals in Blackburn, Winchester, Gloucester and York also fell silent in honour of those who have died during the pandemic.
The Prime Minister, who has offered his “sincere condolences to those who have lost loved ones”, observed the minute’s silence privately and is set to lead a Downing Street press conference at 5pm today.
Seven deaths of coronavirus patients were recorded in Scotland in the past 24 hours, according to the latest official figures.
There were 495 new cases in the same period with a daily test positivity rate of 3.6 per cent, down slightly from 3.7 per cent on Monday.
Northern Ireland recorded two further deaths of patients who previously tested positive for Covid-19.
Another 174 confirmed cases of the virus were recorded by the Department of Health in the last 24-hour reporting period.