Retrospective Screening for SARS-CoV-2 RNA in California, USA, Late 2019.
Emerg Infect Dis
; 26(10): 2487-2488, 2020 Oct.
Article
in English
| MEDLINE | ID: covidwho-634850
ABSTRACT
To investigate the possibility of earlier cases of severe acute respiratory syndrome coronavirus 2 infection than previously recognized, we retrospectively tested pooled samples from 1,700 persons with respiratory signs/symptoms seen at Stanford Health Care, Palo Alto, California, USA, during the last 2 months of 2019. We found no evidence of earlier infection.
Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Pneumonia, Viral
/
RNA, Viral
/
Coronavirus Infections
/
Betacoronavirus
Type of study:
Diagnostic study
/
Observational study
Topics:
Long Covid
Limits:
Adult
/
Humans
Country/Region as subject:
North America
Language:
English
Journal:
Emerg Infect Dis
Journal subject:
Communicable Diseases
Year:
2020
Document Type:
Article
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