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The number of diagnoses by different screening routes in Shenzhen.
| Screening routes | Patients number | % of cases |
|---|---|---|
| Close contacts under quarantine observation | 632/1,174 | 53.8% |
| Key areas | 304/1,174 | 25.9% |
| Key crowd | 93/1,174 | 7.9% |
| Communities | 145/1,174 | 12.4% |
| Unknown | 41/1,215 | 3.4% |
