Term:Positive

Normative

Encyclopaedic information

Illness was confirmed by a positive result on a SARS-CoV-2 molecular test.

Source: https://files.covid19treatmentguidelines.nih.gov/guidelines/covid19treatmentguidelines.pdf

Antigen tests can yield false positive results for a variety of reasons, including: • Incomplete adherence to the instructions for antigen test performance [...]

Source: https://files.covid19treatmentguidelines.nih.gov/guidelines/covid19treatmentguidelines.pdf

Examples

The identification of a positive case of COVID-19 following a given cross-border journey fulfils the criteria set out in Article 9(1) of Decision 1082/2013/EU, as it may still cause significant mortality in humans, as it may grow rapidly in scale, as it affects more than one Member State, and as it may require a coordinated response at Union level.

Source: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32021D0858

Collocations

• positive result
• positive test
• to test positive for SARS-CoV-2/COVID-19

Keyness

• positive: >1000
• positive test: 811
• positive result: 926

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

Press

Description

Anyone with symptoms or who tests positive for Covid-19 will need to continue to self-isolate.

Source: https://www.telegraph.co.uk/global-health/science-and-disease/coronavirus-news-covid-nhs-app-vaccine-passport-cases-deaths/

Examples

The participants were followed up with monthly and up to five months after their first positive tests.

Source: https://www.dailymail.co.uk/news/article-10056123/COVID-vaccine-mandate-takes-effect-NYC-teachers-staff.html

However, positive case rates remain highest among young people, between those in school year 12 or and aged 24.

Source: https://www.telegraph.co.uk/global-health/science-and-disease/coronavirus-news-covid-rate-cases-nhs-app-hospitalisations-deaths/

Collocations

• positive test
• positive result
• positive case
• to test positive

Keyness

998

Comments

Examples

Positive tests with no symptoms are hardly cases.

Source: https://www.dailymail.co.uk/news/article-10295867/Omicron-infecting-4-000-BRITONS-day.html

Collocations

• positive test result
• positive test
• positive result
• positive PCR test

Keyness

• positive: >1000
• positive test: 42
• positive test result: 280