Lee, N., Allen Chan, K.C., Hui, D.S., et al. (2004). Effects of Early Corticosteroid Treatment on Plasma SARS-Associated Coronavirus RNA Concentrations in Adult Patients. (Abstract only.) Journal of Clinical Virology. 31(4):304-9.
The authors examined viral load in plasma over time in SARS patients and the effect of corticosteroids on viral load. They found that relatively early corticosteroid treatment was related to a higher subsequent plasma viral load.