The COVID-19 outbreak is affecting everyone worldwide, and policymakers, scientists and practitioners are exploring uncharted territory while trying to get to grips with this new virus. Especially in such times of great uncertainty, building on up-to-date and accurate information is crucial. Therefore, EUPHA released a statement on the importance of sharing data, research outcomes and experiences to build a common, growing body of intelligence. A comprehensive and publicly available evidence-base is key when battling the outbreak and saving lives.