Offer cooked meals they can reheat easily, if they want them and leave on the doorstep. Do shopping. If you do take washing home, wear protective gloves, mask and apron, keep it all wrapped in a sheet or towel and don't shake it, just shove it straight in your washing machine. Its nearly impossible not to want to help your family in these circumstances, but for yourself, your family and of course the NHS don't put yourself at risk. They will possibly need your help in 10 days or so time.
Water Pollution -“ A National Disgrace”? A case for renationalisation?