February 13, 2021
European Journal of Clinical Investigation
University of Graz (Austria)
“Conclusions: We observed a relatively low re-infection rate of SARS-CoV-2 in Austria. Protection against SARS-CoV-2 after natural infection is comparable with the highest available estimates on vaccine efficacies.
Results: From 15,424 patients with SARS-CoV-2 positive tests in the first wave, 584 were recorded as COVID-19 deaths, so that our COVID-19 survivor group consists of 14 840 patients…
During the observation period from September 1 to November 30, we recorded 40 tentative re-infections in the COVID-19 survivor group (0.27%), and 253,581 new infections in the general population group (2.85%)…”
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