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. 2022 May 6;17(5):e0268237. doi: 10.1371/journal.pone.0268237

Fig 1. Pulse of COVID-19 pandemic: Weekly number of confirmed COVID-19 cases in Shelby County and in individuals working at St. Jude Children’s Research Hospital with a timeline of risk-mitigation directives and COVID-19 vaccine roll-out.

Fig 1

Cyan bar: weekly number of confirmed COVID-19 cases in Shelby County where St. Jude Children’s Research Hospital is located. Data Source: Shelby County Health Department. Red bar: weekly number of confirmed COVID-19 employee cases at St. Jude Children’s Research Hospital who were diagnosed by the institutional asymptomatic screening program. Gray bar: weekly number of confirmed COVID-19 employee cases at St. Jude who were diagnosed after presentation with symptoms to the institutional occupational health’s symptom-based screening program. Orange bar: weekly number of confirmed COVID-19 employee cases at St. Jude who were diagnosed outside the institution and by community health care systems. Deep blue bar: weekly number of confirmed COVID-19 employee cases at St. Jude who were tested and diagnosed by St. Jude occupational health following reported COVID-19 exposure.