UK ministers are expected to accept the advice of the committee of independent health experts.
Children who become ill with coronavirus mostly recover in less than a week, research suggests.
In total, 4,561 deaths related to drug poisoning were registered in England and Wales last year.
The first minister had invited the PM to her official residence to discuss recovery after the pandemic.
The Ever Given docks at the Port of Felixstowe months after it was originally due to arrive.