The NEU used its annual conference in Bournemouth to submit a motion which said it saved lives by forcing Government to change policy during the pandemic .
A number of schools in England are reinstating rules for pupils to wear facemasks after a surge in Covid cases, despite Government guidance last week which ended the requirement.
A new study from UK and German experts found commonly used lateral flow devices only find 64 per cent of Covid cases in children casting doubt on the ability of testing to curb Covid in schools.
Education secretary Nadim Zahawi refused to rule out firebreak school closures when asked this morning as he urged all those who are eligible to get the booster as soon as possible.