Normative:Negative

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Normative

Encyclopaedic information

Persons who are vaccinated or who have had a recent negative COVID-19 test result and persons who have recovered from COVID-19 in the previous six months seem to have a reduced risk of infecting people with SARS-CoV-2, according to current and still evolving scientific evidence.

Source: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32021R0953

Examples

Consequently, a single negative swab from the upper airway does not rule out SARS-CoV-2 infection and repeated sampling from multiple sites, including the lower airway, will increase diagnostic yield.

Source: https://www.sccm.org/getattachment/Disaster/SSC-COVID19-Critical-Care-Guidelines.pdf

Travelers may need evidence of a recent negative test result to enter some states or countries; such documentation may be an acceptable alternative to quarantine upon arrival.

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

Collocations

  • negative (test) result
  • negative PCR/RT-PCR
  • indicating a negative result
  • false negative
  • negative pressure room

Keyness

>1000