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(A) The risk of SARS‐CoV‐2 infection among exposed people according to vaccination status (Delta Variant). (B) The risk of SARS‐CoV‐2 infection among exposed people according to vaccination status (Other Variants). (C) The risk of SARS‐CoV‐2 infection among exposed people according to vaccination status (all variants). CI, confidence interval; RR, relative risk; SARS‐CoV‐2, severe acute respiratory syndrome coronavirus‐2.
