Last night the Government refused to say if front-line providers had applied to use its strategic reserve of flu vaccines.
It came as a hospital in Calais urged NHS patients who cannot get care in England to cross the channel for treatment.
Tens of thousands of non-urgent operations and routine outpatient appointments have been cancelled by British hospitals in the last week in a desperate bid to ease pressures on wards.
Even though flu in France has reached epidemic levels, Calais Hospital said it had enough spare capacity to carry out operations for Britihs patients.
Labour last night seized on the offer as evidence that the Government had “lost control” of the crisis.
Latest figures suggest Britain will be in the grip of a flu epidemic by the end of the month if the virus continues to spread at the current rate.
Health service data shows flu rates are continuing to rise, with one in five hospital cases suffering from the most deadly strain, dubbled “Aussie flu” after it fuelled the country’s worst flu season for more than two decades.