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
Sharp L, Donnelly D, Hegarty A, Carsin AE, Deady S, McCluskey N, Gavin A, Comber H. Risk of several cancers is higher in urban areas after adjusting for socioeconomic status. Results from a two-country population-based study of 18 common cancers. J Urban Health. 2014 Jun;91(3):510-25. doi: 10.1007/s11524-013-9846-3
Arvelo W, Sosa SM, Juliao P, Lopez MR, Estevez A, Lopez B, Morales-Betoulle ME, Gonzalez M, Gregoricus NA, Hall AJ, Vinje J, Parashar U, Lindblade KA. Norovirus outbreak of probable waterborne transmission with high attack rate in a Guatemalan resort. J Clin VIrol. 2012 Sep;55(1):8-11. doi: 10.1016/j.jcv.2012.02.018