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. 2021 Jul 30;74(9):1579–1585. doi: 10.1093/cid/ciab670

Table 1.

Post-exposure Secondary Attack Rate in Patients After Exposure to an Infected Healthcare Worker (HCW) or Roommate

HCW Roommate
No transmission 528 (98.88%) 60 (81.08%)
Secondary infection 6 (1.12%) 14 (18.92%)
Total exposed 534 74