More than 80% of Americans have contracted COVID-19 at least once, according to a July 2022 study from the Institute for Health Metrics and Evaluation, an independent global health research center at the University of Washington. As if the burden of just having COVID-19 wasn't enough, research from the Centers for Disease Control and Prevention's National Center for Health Statistics shows that, of those who were infected with the virus, nearly 30% experience post-COVID-19 conditions, or long COVID.