BD6C1F04-48F8-4E77-A36B-D55FB3BEE4A6nCoV: Serological detection of past SARS-CoV-2 infection by non-invasive sampling for field epidemiology and quantitative antibody detectionIntramuralMC_PC_1907847D1BADC-597A-4B3F-8462-4C3BF3018C12COVIDEXPENDITURE_ACTUAL4299833E94B912-588B-4943-96E4-2287459E83A8Upregulation of Human Endogenous Retroviruses in Bronchoalveolar Lavage Fluid of COVID-19 Patients66a0f5607ee3e7b9c3b7338fc4d4f0e6Kitsou K2020-01-01http://dx.doi.org/10.1101/2020.05.10.20096958http://dx.doi.org/10.1101/2020.05.10.20096958Preprint61c20b2cb856a