COVID-19 emerged in late 2019 and became a pandemic in March 2020. Already in April 2020, COST Actions initiated an informal Trans-COST Action Network on COVID-19, bringing together scientists with different expertise. The story of the COST COVID-19 network is an inspiring tale of resilience, teamwork, and innovation as scientists came together to face the unprecedented challenges of the pandemic. It’s not just a story about science; it’s a story about humanity’s collective strength in the face of the unknown. Read the full story at https://www.cost.eu/actions-against-covid-19/