Investigative criteria for suspected cases of SARS-CoV-2 reinfection (ICR)

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Up-to-date Information

Up-to-Date Info: To find the latest CDC information on this topic go to: https://www.cdc.gov/coronavirus/2019-ncov/index.html

Investigative criteria for suspected cases of SARS-CoV-2 reinfection (ICR)

Oct. 27, 2020
By National Center for Immunization and Respiratory Diseases (U.S.). Division of Viral Diseases.

[PDF-186.58 KB]

English

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Details:

Corporate Authors:

National Center for Immunization and Respiratory Diseases (U.S.). Division of Viral Diseases.
Description:

Updated Oct. 27, 2020

CDC is aware of recent reports of suspected cases of SARS-CoV-2 reinfection among persons who were previously diagnosed with COVID-19 [1–3]. There is currently no widely accepted definition of what constitutes SARS-CoV-2 reinfection and the reports use different testing methods, making reinfection diagnoses difficult. To develop a common understanding of what constitutes SARS-CoV-2 reinfection, CDC proposes using both

1) investigative criteria for identifying cases with a higher index of suspicion for reinfection and

2) genomic testing of paired specimens.

CDC examined appropriate time periods following initial SARS-CoV-2 infection or illness to investigate reinfection. Since August 2020, CDC has recommended against the need for retesting persons with asymptomatic infection within 90 days of first SARS-CoV-2 infection or illness because evidence to date suggests that reinfection does not occur within this time window (CDC Guidance on Duration of Isolation and Precautions for Adults with COVID-19).
Subjects:

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Betacoronavirus Communicable Disease Control Coronavirus Coronavirus Infections/epidemiology Coronavirus Infections/transmission COVID-19 Disease Outbreaks Disease Susceptibility Humans Incidence Pandemics Pneumonia, Viral/epidemiology Pneumonia, Viral/transmission Reinfection
Document Type:

Webpage
Collection(s):

Stephen B. Thacker CDC Library collection
Main Document Checksum:

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urn:sha256:4b75f17f71b668ac14726cee158fa9a48706e8e444f6c32775f9f4c0a5069dd5
Download URL:

https://stacks.cdc.gov/view/cdc/96072/cdc_96072_DS1.pdf
File Type:

invest-criteria.html

htm

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