Research:Positive
Research
Variants and synonyms
- positive sample
Definition/description
A confirmed COVID-19 patients was defined as a case with respiratory specimens that tested positive for the SARS-CoV-2 by at least one of the following three methods: isolation of SARS-CoV-2 or at least two positive results by real-time reverse-transcription-polymerase-chain-reaction (RT-PCR) assay for SARS-CoV-2 or a genetic sequence that matches SARS-CoV-2.
Source: https://www.medrxiv.org/content/10.1101/2020.01.30.20019836v4
Examples
Eleven pregnant women who were tested positive for SARS-CoV-2 were classified as laboratory confirmed case group, and eighteen with typical chest CT imaging but tested negative in RT-PCR tests as suspected case group.
Source: https://www.medrxiv.org/content/10.1101/2020.03.10.20033605v1
As of Feb. 10, 2020, 12 of these evacuees have been tested positive for COVD-19 infection, and many of those initially tested negative for virus infection are still under quarantine.
Source: https://www.medrxiv.org/content/10.1101/2020.02.15.20023440v2
Collocations
- false positive
- strongly positive
- falsely positive
- positive control
- positive result
- positive sample
- positive rate
- to be positive
- test positive for
- positive patient
- positive test
Keyness
- positive: >1000
- positive sample: 208