Keira Callaghan says being prepared should be a public health measure, not a privilege, and Chris Rotheram is experiencing prescription anxiety. Plus five more letters in response to the Be Ready campaign

The Be Ready campaign may offer sensible advice in principle (Every Briton should stockpile water and food supplies, government advises, 22 October), but as a midwife working in Tower Hamlets, one of the poorest boroughs in London, I can see first-hand that its practical recommendations risk excluding precisely those families who are already most vulnerable.

For families living in a single room in a shared house, storing nine litres of water per person alongside three days’ worth of essential supplies may simply be unrealistic. When families are already struggling with the cost of food, heating and everyday necessities, buying additional emergency provisions may also be financially impossible.

UK allies have long urged people to stockpile supplies for a crisis. How are people from France to Australia being advised to prepare?

The UK has told people to fill their pantries with food for three days in case of catastrophe, joining a host of countries urging citizens to ready themselves for core systems failing.

Such advice, once dismissed as the preserve of preppers, has become more common in government circles as climate breakdown worsens weather extremes and geopolitical tensions turn cyber-attacks and sabotage into a regular occurrence.