［Onuki 2023］ used open data on COVID-19 patients to estimate the relative risk of infection among physicians and nurses by sex and age group. They compared them with the same sex and age group of the general population, and covered the period from the third to the sixth wave of COVID-19 outbreak in Tokyo. In this paper, as a second report, estimates for the seventh wave period are presented, and the trends and patterns of relative risk by sex and age group across the first to seventh wave periods are analyzed.
