Weekly COVID-19 Snapshot MOnitoring (COSMO) was initiated in Germany on March 3, 2020.8 Preliminary data and examples of the usefulness of such data are shown in the appendix. The initiating researchers and authorities and researchers are now sharing this as a blueprint for other countries. Together with the new Insights Unit at the WHO Regional Office for Europe, an adaptable study protocol, sample questionnaire, and data analysis script have been made available along with guidance on contextual adaptation and open access practices.