Get full text access Log in, subscribe or purchase for full access. References 1. Raventós, B ∙ Pistillo, A ∙ Reyes, C ∙ et al. Impact of the COVID-19 pandemic on diagnoses of common mental health disorders in adults in Catalonia, Spain: a population-based cohort study BMJ Open. 2022; 12, e057866 2. Alwan, NA Surveillance is underestimating the burden of the COVID-19 pandemic Lancet. 2020; 396:e24 3. Alwan, NA A negative COVID-19 test does not mean recovery Nature. 2020; 584:170 4.