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The HEPES-saline-albumin-gelatin (HSAG) diluent found optimal for agglutination of fowl erythrocytes by rubella virus antigen is also optimal for agglutination of trypsin-treated human group O cells. Albumins from different commercial sources, however, can have varying inhibitory effects on rubella
Certain commercial preparations of bovine albumin, fraction V, show inhibitory activity in the rubella hemagglutination (HA) and hemagglutination-inhibition (HI) tests. This does not appear to be due to albumin per se, but instead to a contaminant (or contaminants) with the properties of a
BACKGROUND
ProQuad, a vaccine containing antigens from M-M-RVAXPRO (measles, mumps and rubella vaccine) and VARIVAX (varicella vaccine), is indicated for simultaneous vaccination against measles, mumps, rubella and varicella (MMRV) in individuals from 12 months of age. To eliminate blood-derived
One combined measles-mumps-rubella (MMR) vaccine without Human Serum Albumin (HSA) is currently licensed in the USA (M-M-R II; Merck, USA) and another has been developed (Priorix™ [MMR-RIT, GSK, Belgium]). In this follow-up study, children from USA or Puerto Rico, who had received one dose of M-M-R
A sandwich enzyme-linked immunosorbent assay (ELISA), using polyclonal antibody, was developed and compared with the commercial kit for detecting and estimating of BSA content in Measles-Mump-Rubella (MMR) vaccine samples in detection limit of nanogram level. The test depends on the capturing and
Live attenuated viral vaccines are difficult to handle and often sensitive to temperature. The viral titer may drop during the processing and storing stage, especially at high temperatures. Using live attenuated viral vaccines successfully depends on keeping the sufficient potency required for an
Prior to 2006, M-M-R(®)II (measles, mumps, and rubella virus vaccine live) was manufactured using human serum albumin (HSA) and each dose of the vaccine contained a relatively small amount (≤0.3mg) of HSA. Because of specific regulatory requirements and limited suppliers of HSA acceptable for human
Immediate type hypersensitivity to vaccines containing bovine/porcine excipients, such as the measles, mumps and rubella (MMR) vaccine is probably due to sensitization to bovine/porcine gelatin. Most patients with such reactions in Sri Lanka have cow's milk (CM) or beef allergy.
We investigated
Many of the enzyme-linked immunosorbent assay (ELISA) techniques previously described for detection of rubella-specific antibodies employ complex technology not available in routine diagnostic laboratories. The method described allows the use of commercially available rubella hemagglutination
Titers of antibody to rubella virus in 68 human sera were compared by hemagglutination inhibition and enzyme-linked immunosorbent assay (ELISA). In general, the titers measured by ELISA were higher than those found by hemagglutination inhibition. Although the titers differed, the two methods showed
A longitudinal study on rubella, measles, and respiratory syncytial virus antibodies in serial serum and CSF specimens from 20 multiple sclerosis (MS) patients was performed, using solid-phase radioimmunoassay. Albumin and immunoglobulin G (IgG) levels were also measured to check the integrity of
A method showing whether the inhibitory activity of a serum, with a low rubella HAI titer, is due to specific antibodies, or to the incomplete removal of non-specific beta-lipoprotein inhibitors, is described. Serum absorption with Staphylococcus aureus removes over 95% of the IgG, and a smaller
The different factors affecting rubella HA or HI were studied and the occurrence of rubella HA, also in absence of gelatine, albumin and Ca++, was shown. The influence on HA and HI titers of different systems--diluent and indicator erythrocytes--was also discussed.
The variables which affect the interaction between freeze-dried one-day-old chick erythrocytes and rubella hemagglutinin prepared from rubella-infected porcine kidney cells were defined and evaluated. The sensitivity of the hemagglutination (HA) reaction is much greater at pH 6.0 to 6.2 than at pH
A highly sensitive sandwich enzyme-linked immunosorbent assay (ELISA) for quantifying BSA was established, based on two mAbs that recognize different epitopes on a BSA molecule. Our ELISA system was used to detect BSA concentrations in several vaccines, such as the MMR (measles, mumps and rubella)