Critical review of existing case definitions for immunocompromised populations, and a consolidated approach to identify and characterise such populations in real-world data sources
Background incidence estimation of flares of pre-existing chronic diseases using pan-European electronic healthcare data sources
Coverage of COVID-19 vaccines in electronic healthcare databases: a protocol template from the ACCESS project
Real-world effectiveness of <> in Europe: a protocol template for a cohort study based in existing health care data sources from the ACCESS project
Core protocol for SARS-CoV-2 vaccine effectiveness studies (test-negative design studies) a protocol from the ACCESS project
Safety Protocol for Hospital Case–Based Monitoring of Specific Adverse Events Following COVID-19 Vaccines: A Protocol Template from the ACCESS project
Safety evaluation of COVID-19 vaccines in electronic healthcare databases: a protocol template from the ACCESS project
Rapid assessment of COVID-19 vaccines safety concerns through electronic health records: a protocol template from the ACCESS project
Cohort event monitoring to assess safety of COVID-19 vaccines using patient reported events, a protocol template from the ACCESS project
