The coronavirus crisis came into light in Japan in January 2020. Subsequently, a group of medical experts and legal specialists were convened ad hoc in the Cabinet Office and related ministries and agencies, such as the Ministry of Health, Labour and Welfare, to decide on issues such as how to respond to the problems by utilizing IT such as CoronaApps. Other issues were also decided such as how to respond to immigration control, how to amend the Infectious Diseases Special Measures Act, etc. In this presentation, the issues of expertise control is discussed in the way that the government should be prepared for the utilization of experts with agencies that may be independent but attached to relevant administrative organizations. This presentation provides possible clues to administrative organization and expert control issues that is not limited to coronavirus-related issues.