1. Coronavirus disease 2019 (COVID-19) situation report-97,2020
2. Symptoms and symptom clusters associated with SARS-CoV-2 infection in community-based populations: results from a statewide epidemiological study;Dixon;PLoS ONE,2021
3. Case-fatality rate and characteristics of patients dying in relation to COVID-19 in Italy;Onder;JAMA - J Am Med Assoc,2020
4. Coronavirus disease 2019 in elderly patients: characteristics and prognostic factors based on 4-week follow-up;Wang;J Infect,2020
5. Age, comorbidity, frailty status: effects on disposition and resource allocation during the COVID-19 pandemic;Nickel;Swiss Med Wkly,2020