Contento, L.* et al. Integrative modelling of reported case numbers and seroprevalence reveals time-dependent test efficiency and infectious contacts. Epidemics 43:100681 (2023) Raimúndez, E.* et al. COVID-19 outbreak in Wuhan demonstrates the limitations of publicly available case numbers for epidemiological modeling. Epidemics 34:100439 (2021)