(ČIA) Linking, merging and sharing healthcare data dramatically increases the public health benefits of this data. According to an EY survey, the current COVID-19 pandemic proves that health care systems need to be better able to respond to emergencies. The survey also points to the need for innovative methods of more targeted preventive, diagnostic and therapeutic care, as well as the need to share relevant data globally. According to EY, it is necessary to move closer to personalized medicine.