This question can be interesting in respect of the latest change in Hungarian health data processing: doctors performing health on the workplace tests are obliged to upload the entire files to the common health space where access is not as limited as it should be. The concrete case adjudicated by the European Court of Justice concerns the processing of COVID vaccination data, also based on national law. For processing based on a legal obligation to which the controller is subject, Member Statesmay maintan and introduce specific provisions determining more specific requirements and can also describe features of the processing, including measures to ensure fair and lawful processing. Processing of special categories of data (including health data) for reasons of substantial public interest (in any area) or of public interest in the area of public health requires that the élaw should provide for suitable and specific measures to safeguard the fundamental rights and interests of the data ...