The Times leads on the same story, citing mounting evidence showing they slow the spread of the virus.
Millions of pensioners are threatening a revolt over the BBC’s “heartless” decision to axe free TV licences for over-75s, the Daily Express says.
The Daily Star leads on the latest from the Johnny Depp libel trial.
The Independent says Boris Johnson is facing pressure to condemn the jailing of foreign journalists on American soil following the arrest of the newspaper’s chief US correspondent Andrew Buncombe.
The Guardian claims Boris Johnson is planning a radical and politically risky reorganisation of the NHS amid frustration at the health service’s chief executive, Simon Stevens.
The Daily Telegraph says Boris Johnson has indicated face masks will become mandatory in shops and enclosed spaces.
A firm boasted it could win a damehood for a celebrity author for £80,000, the Daily Mail has claimed.
The Financial Times says UK government costs sank to record lows on Friday, underlining investors’ willingness to fund new economic stimulus measures.
The i leads on the prime minister’s call for people to get back to working in offices again.