Vaccine Effectiveness, Burden and Impact Studies (VEBIS) of COVID-19 and Influenza – Tender Specifications ECDC/2021/12924  intended use. The detection of pathogens should be performed by  molecular methods, such as polymerase chain reaction. • In addition, the contractor should ensure that all participating  laboratories, performing the molecular and serology diagnostics, are  producing comparable results and are taking part to a standardisation  assessment, which will be agreed with ECDC. DL 1.2.2. Update of ECDC  report describing new  and previous  participating study sites,  with standard template  across study sites  The contractor will update the report based on a previous version provided by  ECDC. The report will describe all the participating study sites. The report will  include the full list of participating sites with a named focal point, each study  site type and size, status of COVID-19 vaccination campaign. Standard  template to be used across sites.  Every two years  Word - ECDC  template  Power point  Task 3:  Implementation of surveillance activities and of the studies The contractor is expected to support the countries/study sites in aiming to implement all objectives of the ECDC Hospital network, which may be subject  to revision by ECDC over the course of the framework contract, progressively or concomitantly depending on the countries/study sites characteristics. The  contractor is expected to work in close collaboration with the study sites. Deliverable (DL)  Description  Estimated  frequency/ Volume  File / form at type  DL 1.3.1. Update of  current ECDC Protocol for  SARI surveillance  Update of protocol to include new, scientifically relevant questions, definitions,  processes, procedures, statistical analysis plan.  All protocols will need to be designed to ensure compatibility with the TESSy  platform and shall provide schemes/identify data flows to ensure that the  highest proportion of sequencing is performed, through the national schemes or  for example with support from ECDC. Three times during  the duration of the  FWC  Word – ECDC  template  DL 1.3.2. Update of  current ECDC COVID-19  vaccine effectiveness  Protocol  Update of protocol to include new, scientifically relevant questions, definition,  processes and procedures. Foreseen updates of the protocol may include the  influenza component, after the ECDC protocol for influenza vaccine  effectiveness has been delivered. Three times during  the duration of the  FWC  Word – ECDC  template 