Waterloo and City line suspended until early January

The Waterloo and City line on the London Underground has been totally suspended until early January due to Covid related staff shortages.
The line shares staff with the Central line which uses the same trains, so staff are being diverted from the W&C line to work on the Central line to keep that line operational, as it’s far busier and needs as many drivers as possible.
The Waterloo and City line had only recently restored full weekday service in early November following partial resump