File:Contact tracing 2.jpg
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Size of this preview: 626 × 600 pixels. Other resolutions: 251 × 240 pixels | 501 × 480 pixels | 802 × 768 pixels | 1,069 × 1,024 pixels | 1,421 × 1,361 pixels.
Original file (1,421 × 1,361 pixels, file size: 636 KB, MIME type: image/jpeg)