It took a median of 17.0 days (95% CI: 13-19 days) for a secondary SARS-CoV-2 infection to occur in COVID-19 patients

University of Michigan - Ann Arbor

- China
- Northern California, United States

Secondary Infections of COVID-19 by Geographic Location

Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. The Lancet. 2020;395:1054-1062. 
doi:10.1016/ S0140-6736(20)30566-3
https://doi.org/10.1016/ S0140-6736(20)30566-3


Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study

Of the 68 patients that had died from COVID-19, 11 patients (16%) had a secondary infection (Wuhan, China).

Mortality in Secondary COVID-19 Infection in Wuhan, China

Of 116 patients with confirmed SARS-CoV-2 infection, 20.7%, or 24 of these patients also tested positive for 1 or more additional pathogens.

Co-Infections in SARS-CoV-2 Patients in Northern California, United States

In Shenzhen, China (Jan. 2020), a patient with a travel history to Wuhan was admitted to the hospital with the clinical presentation of COVID-19.  The SARS-CoV-2 RNA test was persistently negative, but the plasma anti-SARS-CoV-2 antibody was positive. 


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