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