Occupational risk of SARS-CoV-2 infection and reinfection during the second pandemic surge: a cohort study

Conclusions
A 10-fold reduction in the hazard of being virologically tested positive was observed among anti-SARS-CoV-2 seropositive essential workers regardless of their sector of occupation, confirming the seroprotective effect of a previous SARS-CoV2 exposure at least 6 months after infection.

Source: Occupational and Environmental Medicine - January 13, 2022 Category: Occupational Health Authors: Leidi, A., Berner, A., Dumont, R., Dubos, R., Koegler, F., Piumatti, G., Vuilleumier, N., Kaiser, L., Balavoine, J.-F., Trono, D., Pittet, D., Chappuis, F., Kherad, O., Courvoisier, D. S., Azman, A. S., Zaballa, M. E., Guessous, I., Stringhini, S., SEROCo Tags: COVID-19 Workplace Source Type: research