About 10% of the 14,000 staff at King’s College hospital are yet to be fully vaccinated ahead of a mandate for all NHS staff who work directly with patients that comes into force on 1 April.
Losing more than 1,000 staff would be the most extreme outcome and there had been an increase in the number of people who still required vaccination coming forward, Kay said.
“I don’t want, at this stage, to predict or give any numbers. We’re having conversations with staff, line managers are having conversations with staff, we have a helpline,” he said. “Ultimately if individuals choose not to, it’s their choice, their personal choice.