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  1. Hace 23 horas · The population etiological fraction is a measure of the proportion of the disease rate in a population attributable to the exposure of interest. This measure of effect is influenced by: A. the relative risk of the disease in exposed individuals versus unexposed individuals. B. the prevalence of the disease in the population.

  2. Hace 23 horas · On July 8, Heinz Hall is thrilled to welcome back the incomparable Norah Jones for an extraordinary night of music, alongside singer-songwriter Sasha Dobson, as part of her 2024 Visions Tour. Tickets will be available for purchase starting Friday, March 1, at 10:00 a.m. ET.