Figure 1.

Data sources of individuals diagnosed with COVID-19

Of the 16 898 individuals diagnosed with COVID-19, 16 005 were identified from positive SARS-CoV-2 test results (12 772 identified only by positive SARS-CoV-2 test), 3847 were identified from hospital records (638 identified only from hospital records), and 1111 were identified from death records (128 identified only from death records). 563 individuals diagnosed after Feb 20, 2021 (28 days before the last recorded death), were excluded from the cohort used in analysis B given the unknown outcome of these patients.