Report 32: Targeting interventions to age groups that sustain COVID-19 transmission in the United States - Monod, M; Blenkinsop, A; Xi, X; Herbert, D; Bershan, S; Tietze, S; Bradley, V; Chen, Y; Coupland, H; Filippi, S; Ish-Horowicz, J; McManus, M; et al. (2020)