Reduced risk of SARS-CoV-2 infection among household contacts with recent vaccination and past COVID-19 infection: results from 2 multisite case-ascertained household transmission studies. - Rolfes MA; Talbot HK; Morrissey KG; Stockwell MS; Maldonado Y; Nguyen HQ; Lutrick K; Bowman NM; Rao S; Izurieta HS; Zhu Y; Chappell J; et al. (American journal of epidemiology, 2025)