Definition of norovirus in English:

norovirus

noun

Medicine
  • 1Any of various single-stranded RNA viruses including the Norwalk virus and closely related viruses.

    • ‘We are testing some samples and suspect it is norovirus, we should get lab confirmation early this week.’
    • ‘Nineteen people have submitted stool samples that tested positive for diarrhea-causing agents: Campylobacter (14), norovirus (3), salmonella (1) and Giardia (1).’
    • ‘O'Connor noted that the norovirus has many different strains, making it difficult for a person to develop long-lasting immunity to the infection.’
    • ‘Norovirus is the most common cause of infectious gastroenteritis in England and Wales.’
    • ‘"Real difficulties are caused when norovirus is introduced to closed environments such as hospitals, residential homes or schools."’
    1. 1.1[mass noun] Gastroenteritis caused by a norovirus:
      ‘an outbreak of norovirus aboard the ship infected 350 passengers’
      • ‘GPs' surgeries were packed with people suffering with symptoms of the norovirus.’
      • ‘Winter vomiting disease, or norovirus, is a brief illness, which usually lasts for one to three days.’
      • ‘The winter vomiting bug (also known as Norovirus) exhibits the symptoms of gastrointestinal illness and has affected some 16 patients.’
      • ‘We know Norovirus is now quite widespread in the community.’
      • ‘The norovirus is highly contagious, affecting up to one million people in the United Kingdom every year.’

Origin

Early 21st century: from nor- in Norwalk virus + -o- + virus.

Pronunciation:

norovirus

/ˈnɔːrəvʌɪrəs/