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. 2022 Apr 1;5(4):e227650.
doi: 10.1001/jamanetworkopen.2022.7650.

Rates of COVID-19 Among Unvaccinated Adults With Prior COVID-19

Jessica P Ridgway  1 , Samuel Tideman  2 , Bill Wright  2 , Ari Robicsek  2
Affiliations

Rates of COVID-19 Among Unvaccinated Adults With Prior COVID-19

Jessica P Ridgway et al. JAMA Netw Open. .

Abstract

This cohort study compares rates of COVID-19 between unvaccinated adults who did and did not previously test positive for SARS-CoV-2.

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Conflict of interest statement

Conflict of Interest Disclosures: None reported.

Figures

Figure.
Figure.. COVID-19–Free Survival Among Unvaccinated Adults With and Without Prior COVID-19
A-C, Cases were defined as patients with an initial positive COVID-19 test result; controls, patients with an initial negative COVID-19 test result. D, Protection over time was calculated as the 50-day moving mean of the protection level among cases.
See this image and copyright information in PMC

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