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Number of new COVID-19 cases reported nationally (grey bars), as well as number of positive urinary streptococcal antigen tests from 2020 (solid line) versus the mean from 2010-2019 (dashed line), for e-weeks 1 to 27. Error bars represent the 95% confidence intervals for 2010-2019 data. Annotation of detection of first case of COVID-19, start of DORSCON level orange period, and duration of Circuit Breaker period in 2020.
