Prevalence of 406 rare diseases by ethnicity and recorded COVID-19 infection rates among 62.5 million people in England
Abstract Rare diseases (RD) are individually uncommon but collectively affect millions of people. Yet national estimates of their prevalence, especially across ethnic groups, are limited, and how the COVID-19 pandemic affected people with RD across ethnic groups is unknown. We aimed to estimate the prevalence of 406 RD...