As Britain and Europe remain locked down in the fight against Covid-19, Julie Etchingham asks how seriously the food supply chain is being affected. Crops will be ready to be harvested in the coming weeks, but there may be no labour available. She looks at how shops, supermarkets and delivery services are coping now the early panic buying is over. And she asks, if vulnerable families cannot get access to food at prices they can afford, will people ultimately be forced to change the way they eat?