Lennon RP, Miller EL, Snyder B, Van Scoy LJ. Self-reported influenza and influenza-like symptoms in U.S. adults age 18-64 between September 1, 2019 and April 15, 2020. J Clin VIrol. 2021 Jan;134:104709. doi: 10.1016/j.jcv.2020.104709
Reed (Earnshaw) SR, Reed JH, Stuhldreher TJ. Transaction costs, taxes, and portfolio revision. J Contemp Bus Issue. 1997;5:40-8.