Fig. 1From: Estimating COVID-19 cases infected with the variant alpha (VOC 202012/01): an analysis of screening data in Tokyo, January-March 2021Distribution of estimated cases with the variant alpha per week. The figure shows the estimated distribution of it. Only PCR confirmed cases are screened and reflected in the estimate. A hypergeometric distribution was employed to model the data generating process. The 2.5th and 97.5th percentile points of each distribution provide the lower and upper 95% confidence intervals of itBack to article page