| 释义 |
Definition of viraemia in English: viraemia(also viremia) noun vʌɪˈriːmɪə mass nounMedicine The presence of viruses in the blood. 〔医〕病毒血症 uncontrolled virus proliferation leads to chronic viraemia Example sentencesExamples - Infection is often subclinical, manifested as asymptomatic viremia or shedding of virus in the respiratory tract or urine.
- Immunocompromised patients may have persistent viremia, larger lesions, purpura, and systemic involvement.
- In these cases, viremia was assessed by virus culture in serum and lung tissues at necropsy.
- By the time the rash or polyarthropathy presents in immunocompetent patients, viremia has cleared and the presence of serum antibodies confirms the diagnosis.
- Secondary replication occurs in the liver and spleen, with secondary viremia leading to viral invasion of the dermal capillaries and epidermis.
Derivativesadjective Medicine Infection is oral, and the virus multiplies in the pharynx and intestine for one to three weeks before it is contained by a local immune response or a viraemic phase occurs. Example sentencesExamples - West Nile virus likely will continue to advance throughout the western United States within the next few years and is expected to follow local and regional flyway patterns of viremic birds.
- Chickens can spread the infection to their eggs but it is rare with velogenic strains because viremic hens usually stop laying.
- When a mosquito takes a viremic bloodmeal, the virus encounters several barriers to infection.
- They may have been involved in the virus's introduction into North America, though imported exotic birds, a viraemic human, or inadvertently transported mosquitoes seem more likely.
Origin1940s: from virus + -aemia. |