viral antigen

viral antigen

n. Abbr. VA
An antigen with multiple antigenicities that is protein in nature, strain-specific, and closely associated with the virus particle.
References in periodicals archive ?
Fluzone High-Dose is administered via intramuscular injection, where the viral antigen elicits an immune response that helps protect the patient from subsequent influenza infection.
5 causing portion for detecting bovine viral diarrhea virus (BVDV) ELISA test sera which is able to detect BVD viral antigen, so that no hindered anticoagulated blood leukocytes isolated.
Susceptibility was determined on the basis of prevalence and onset of illness and death and distribution of microscopic lesions and viral antigen.
On September 17, one nasopharyngeal swab was positive for influenza A by a rapid viral antigen detection test.
5 Part A: Bovine viral diarrhea for detecting causative virus (BVDV) ELISA with sera able to detect BVD viral antigen, so that no hindered anticoagulated blood leukocytes isolated.
Immunohistochemistry was performed to detect the viral antigen with a Histofine Simple Stain PO (M) kit (Nichirei Inc.
Ferret antiserum Viral antigen A/Johannesburg/33/94 A/Wuhan/359/95 Reference antigens A/Johannesburg/33/94 640 40 A/Wuhan/359/95 80 1280 A/Nanchang/933/95 80 1280 Recent isolates A/NewYork/37/96 160 1280 A/Minnesota/01/96 80 640 A/Texas/09/96 80 640 A/Indiana/02/96 160 1280 A/Washington/07/96 40 640 A/California/11/96 80 1280 Viral antigen A/Nanchang/933/95 Reference antigens A/Johannesburg/33/94 40 A/Wuhan/359/95 1280 A/Nanchang/933/95 1280 Recent isolates A/NewYork/37/96 1280 A/Minnesota/01/96 1280 A/Texas/09/96 1280 A/Indiana/02/96 1280 A/Washington/07/96 1280 A/California/11/96 1280
Importantly, the model is characterized by a chronic infection having a high viral turnover in mice, thereby mimicking the massive viral antigen levels associated with the three most common human viral disease infections, HIV, HCV and HBV.
This was in agreement with the finding in both patients that viral antigen was detectable by immunohistochemical analysis only in alveolar epithelial cells of the lungs, which indicated that this cell type is the major target cell in humans.
Laboratory studies performed on serum and tissue specimens from decedents confirmed the diagnosis of BHF by isolation of Machupo virus and detection of viral antigen in all five patients for whom specimens were available, the survivor developed enzyme-linked immunosorbent assay (ELISA) immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies to Machupo virus.
Gentel Biosciences, a leader in proteomics profiling tools, announces the availability of the first APiX[TM] Simian Pathogen Array, robust viral antigen arrays and chromogenic-based detection kits, suitable for screening for specific antibodies to pathogens in the sera of non-human primates (NHP).
Wood ducks that died during the study had viral antigen in numerous organs, including the brain (Figure 2B), adrenal glands, testicles, kidneys, liver, small intestines, heart, skeletal muscles, pancreas, and air sacs.