Definition of varicella in US English:



  • 1

    technical term for chickenpox
    • ‘Pneumonia is a known complication of rubeola, varicella, and pertussis.’
    • ‘Alternatively, the faculty might have contagious diseases, such as tuberculosis or varicella, and could infect patients.’
    • ‘Making a clinical diagnosis, and, in particular, differentiating smallpox from varicella, is difficult even when those concerned are seeing both diseases regularly.’
    • ‘First, you can make sure you are up to date on all vaccine-preventable diseases like measles, mumps, rubella, and varicella.’
    • ‘Although a small percentage of vaccinated children contract varicella each year, these illnesses are much less severe than those occurring in unvaccinated children or adults.’
    1. 1.1 A herpesvirus that causes chickenpox and shingles; herpes zoster.
      • ‘Later the virus, now known as the varicella zoster virus, was identified and isolated, and the researcher responsible received a Nobel prize.’
      • ‘Chickenpox is caused by the varicella zoster virus, and the main symptoms are a high fever and itchy red spots that blister and develop a crust.’
      • ‘For example chickenpox and shingles are both caused by the same herpes virus - varicella zoster virus.’
      • ‘The varicella virus is communicated easily through saliva.’
      • ‘Unlike varicella, herpes zoster is a sporadic disease with an estimated lifetime incidence of 10 to 20 percent.’


Late 18th century: modern Latin, irregular diminutive of variola.