💊 Chemical information
USP 31(Mumps Skin Test Antigen). A sterile suspension of formaldehyde-inactivated mumps virus prepared from the extraembryonic fluid of virus-infected chick embryos, concentrated and purified by differential centrifugation, and diluted with isotonic sodium chloride solution. It contains a preservative and glycine as a stabilising agent. Each mL contains not less than 20 complement-fixing units. It should be stored at 2° to 8°. The expiry date is not later than 18 months after date of manufacture or of release from manufacturer’s cold storage.
Recovery from mumps produces skin hypersensitivity to mumps virus. Mumps skin test antigen, has been used with other antigens to assess the status of cell-mediated immunity. A positive reaction may indicate previous infection with mumps virus but it is not considered to be very reliable. It should not be given to patients hypersensitive to egg protein.
USP 31: Mumps Skin Test Antigen.
Proprietary PreparationsUSA: MSTA†.
Published May 08, 2019.