We are gradually moving towards the post-pandemic world, but we know we are not completely in the clear yet, and it will take a while to get there. While the vaccine works its wonders around the world, we still rely on treatments for covid-19 that help to reduce the need for hospital admission and make the stay in hospital sooner and shorter for those who need to be admitted. The use of remdesivir and corticosteroids— dexamethasone and hydrocortisone—has become part of the standard treatment across the world and continues to improve patient recovery, but, as I have said, we need to mitigate future harms. One of the ways to do that could be through the use of vitamin D against the virus, and I want to raise awareness of that. At the start of this pandemic, a good friend of mine who has a nutritional degree warned staff in the office to start taking vitamin D. “Build yourselves up,” he told us, “to give your body the chance to fight at its fittest,” and he has been proven to be absolutel...