The scope of this call is to:

• maintain and further develop the current European COVID-19 Forecasting (lot 1) and European Scenario-Modelling (Lot 2) Hubs;

• expand the current European COVID-19 Forecasting and Scenario-Modelling Hubs with new diseases towards the European Forecasting Hub (lot 1) and the European Scenario-Modelling Hub (lot 2) of infectious diseases and maintain the expanded Hubs;

• conduct analyses related to infectious disease forecasting and scenario modelling (lots 1 and 2);

• deliver scientific and technical expertise in ensemble modelling and multi-model comparisons (lots 1 and 2);

• maintain and foster the existing network of infectious disease modellers (lots 1 and 2);

• develop new epidemiological models to be used by ECDC at the European Forecast and Scenario Hub (lot 3).

European Forecast Hub: scientific advancement and technical maintenance.

European Scenario-Modelling Hub: scientific advancement and technical maintenance.