Covid-19 “ruthlessly” demonstrated the advantages of digital health care, providing a unique opportunity to transform the system, says Philipp Wustrow, co-founder of OnlineDoctor. Demand for its dermatology service, which allows many skin problems to be diagnosed based on a picture, spiked during the crisis. What is often viewed as the future of medicine is already happening, and it’s time for governments to get on board, Wustrow says.