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Clin Infect Dis ; 2022 Jun 24.
Article in English | MEDLINE | ID: covidwho-1908776

ABSTRACT

Vermont contact tracing (CT) consistently identified people at risk for COVID-19. However, the prevalence ratio (PR) of COVID-19 among contacts compared with noncontacts when viral transmission was high (PR = 13.5; 95% CI: 13.2-13.9) was significantly less than when transmission was low (PR = 49.3; 95% CI: 43.2-56.3).

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