blic and private hospital discharges for inpatients and day patients \[[@B39-vaccines-07-00065]\].                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         Encrypted NHI;\
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       Admission and discharge date;\
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               