Alliance for Pandemic Preparedness

March 18, 2021

Transmission Dynamics and Timing of Key Events for SARS-CoV-2 Infection in Healthcare Workers

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  • In a retrospective study of healthcare workers (HCWs) in Turkey with SARS-CoV-2 infection (n=149), 98% of symptomatic HCWs had developed symptoms within 14 days of their index case developing symptoms. Among 39 HCW infector-infectee pairs, the median serial interval (time between symptom onset in the pair) was 4 days (IQR: 2-6). The authors suggest that rigorous contact tracing and isolation in this population could explain the shorter serial intervals than are typically observed in the general population (median 5-7 days).

Emecen et al. (Mar 17, 2021). Transmission Dynamics and Timing of Key Events for SARS-CoV-2 Infection in Healthcare Workers. Infectious Diseases. https://doi.org/10.1080/23744235.2021.1900599