Vaccine Effectiveness, Burden and Impact Studies (VEBIS) of COVID-19 and Influenza – Tender Specifications OJ/2021/DPR/12924  DL 5.4.4. Develop  technical documents  related to seasonal  influenza vaccine  effectiveness among  outpatients (such as  TESSy reporting  protocol, TESSy  metadata, definitions)  (price per technical  document)  The deliverable refers to methodological work performed at coordination level. The updates are foreseen as a regular and constant activity through the course of  the project, with the deliverable being formally produced at the indicated  frequency. These are specific updates to be undertaken in agreement with ECDC and may  include methodological items/aspects such as TESSy reporting protocol, TESSy  metadata, and definitions.  The contractor is expected to supervise and coordinate the data collection from  the study sites and to work closely with ECDC to establish a data flow from the  countries to ECDC. The contractor will plan the data collection ensuring  compatibility with The European Surveillance System (TESSy) metadata, TESSy  reporting protocol, and considering potential interaction with other vaccine  related data collected in TESSy.  Twice a year  Word – ECDC template  DL 5.4.5. Report on  pilot, assessment on  data transfers to TESSy  from study site,  national and EU/EEA  levels  The contractor is expected to pilot, assess and report on the most efficient and  feasible ways of such data transfers, comparing transfers from study site, national  coordination or EU/EEA coordination levels.  Report describing the collation, analysis and reporting on VE, including possible  data transfers to TESSy in support of surveillance activities and in preparation of a  sustainable VE monitoring platform and activities.  One time during  year 1  Word, csv or other  statistical compatible  software  DL 5.4.6. Regular  validation of datasets  collected, transfer of  datasets to TESSy  The contractor shall collect, validate and transfer data (as needed) to TESSy on a  weekly basis.  Deliverable includes datasets.  Once a week  Csv or other statistical  software  DL 5.4.7.  Epidemiological data  summary/bulletin The contractor will deliver on a regular frequency reports (such as regular interim  statistics) on the results of the vaccine effectiveness studies.  The format of the reports shall be agreed with ECDC. Deliverable includes reports  and scripts used to create the report.  Once a week  Word – ECDC  template; html 