Utility of sentinel surveillance as an early warning system for emerging pathogens in a low-resource setting: Correlations of dengue, chikungunya, Zika, and COVID-19 trends between sentinel and passive surveillance systems in Puerto Rico, 2012-2023. - Hernandez-Romieu AC; Madewell ZJ; Delorey M; Volkman HR; Sanchez-Gonzalez L; Rivera-Amill V; Peña DS; Bertrán-Pasarell J; Frasqueri-Quintana VM; Aponte JT; Marzan-Rodríguez M; Rivera A; et al. (PLOS global public health, 2026)