Vinceti M, Filippini T, Rothman KJ, Di Federico S, Orsini N. SARS-CoV-2 infection incidence during the first and second COVID-19 waves in Italy. Environ Res. 2021 Jun;197:111097. doi: 10.1016/j.envres.2021.111097
Sansom SL, Hicks KA, Carrico J, Jacobson EU, Shrestha RK, Green TA, Purcell DW. Optimal allocation of societal HIV prevention resources to reduce HIV incidence in the United States. Am J Public Health. 2021 Jan;111(1):150-8. doi: 10.2105/AJPH.2020.305965