Digital health and AI is a growing field that utilizes emerging technologies like big data, genomics, artificial intelligence, mobile health, and more. The document discusses definitions of digital health and AI and outlines several applications of digital health like telemedicine, point-of-care diagnostics, e-health records, and digital health initiatives in India like e-Mamta and Nikshay. It also discusses how AI is being used in areas like medical virtual assistants, robot-assisted surgery, and how both digital health and AI are playing roles in addressing COVID-19. The future of healthcare is positioned to greatly benefit from advancements at the intersection of biology, technology, and data science.