Clinical characterization and prediction of clinical severity of SARS-CoV-2 infection among US adults using data from the US National COVID Cohort Collaborative by Bennett, TD, Moffitt, RA, Hajagos, JG, Amor, B, Anand, A, Bissell, MM, Bradwell, KR, Bremer, C, Byrd, JB, Denham, A, DeWitt, PE, Gabriel, D, Garibaldi, BT, Girvin, AT, Guinney, J, Hill, EL, Hong, SS, Jimenez, H, Kavuluru, R, Kostka, K, Lehmann, HP, Levitt, E, Mallipattu, SK, Manna, A, McMurry, JA, Morris, M, Muschelli, J, Neumann, AJ, Palchuk, MB, Pfaff, ER, Qian, Z, Qureshi, N, Russell, S, Spratt, H, Walden, A, Williams, AE, Wooldridge, JT, Yoo, YJ, Zhang, XT, Zhu, RL, Austin, CP, Saltz, JH, Gersing, KR, Haendel, MA, Chute, CG, Gagnier, J, Hu, S, Lota, K, Maidlow, S, Hanauer, DA