Mental health problems, needs, and service use among people living within and outside Wuhan during the COVID-19 epidemic in China.

Background: Crisis mental health services for the general population are an essential component in combating the COVID-19 epidemic. To facilitate planning of mental health services, empirical data on mental health problems and service utilization of populations affected by the epidemic are urgently needed. This study investigated the prevalence of mental health problems of residents within and outside Wuhan, China, as well as their patterns of mental health service utilization.