Children at primary school won't be required to wear them. Ahead of kids going back on March 8, what do the experts say?
One headteacher said first week attendance had increased fivefold from the March lockdown – other schools are 70% full.
Parents were told primary schools were safe, so they sent their children back – for just one day.
The situation has been described as an “absolute, total shambles”.
The PM said he is "fully reconciled" with possibly introducing rules tougher than the current tier 4.
The call comes after Gavin Williamson was forced to make yet another u-turn on Friday, with all primary schools in London to remain closed after Christmas.
Education secretary Gavin Williamson had insisted schools in some boroughs would re-open – despite Covid-19 surging.
SAGE has recommended all secondary schools remain closed in January.
Professor Neil Ferguson, who was involved in the modelling that initiated the UK's first lockdown, says new measures have to be considered in a "very different context".
From drop-off to pick-up, here's what parents of primary school kids should know.