Defining long COVID using a population-based SARS-CoV-2 survey in California Long covid is more prevalent in those who have had multiple infections. Hazard ratio: 2.07, or a doubling of risk. #long covid#reinfection#risks#Covid Statistics·sciencedirect.com·Sep 20, 2024Defining long COVID using a population-based SARS-CoV-2 survey in California