My wife is voluntarily surrendering her licence on medical grounds - will her insurance remain valid?

I am named driver on my wife's motor policy. She has to voluntarily surrender her licence on medical grounds. Will her insurance and my named driver status remain valid pending her medical situation being...

I am no longer able to drive on medical grounds - can I still insure a car if my son drives it?

I have been advised on medical grounds to voluntarily hand back my driving licence to the DVLA. My son is a named driver on my insurance policy and he is willing to drive for me if I wish to keep the car....