Abstract Title:

Development of a new live attenuated mumps virus vaccine in human diploid cells.

Abstract Source:

Biologicals. 1991 Jul ;19(3):203-11. PMID: 1954002

Abstract Author(s):

A Sassani, H Mirchamsy, A Shafyi, P Ahourai, J Razavi, M R Gholami, A Mohammadi, A Ezzi, M Rahmani, G Fateh

Article Affiliation:

Razi State Serum and Vaccine Institute, Tehran, Iran.

Abstract:

A new live attenuated mumps vaccine was developed in human diploid cells. The S-12 virus was isolated from a 10-year-old girl showing typical symptoms of mumps infection, the diagnosis was confirmed by a pediatrician. The virus was isolated in green monkey kidney cells, without passage in chick embryo cavity or chick embryo fibroblasts. Attenuation of the wild virus was performed by serial passages in human diploid cells (MRC-5). The attenuated virus was characterized by identity tests, as well as by a reduction in plaque size, as marker tests. The virus was free from adventitious agents and safe for laboratory animals as well as for monkeys. The reactogenicity and immunogenicity of the S-12 virus for man was investigated by administration of a monovalent vaccine to 20 seronegative adult male volunteers and 30 children aged 1 to 5 years without history of mumps infection or vaccination. Seroconversion was obtained in 95% of the vaccinees. The new vaccine has the advantage of not requiring specific pathogen-free eggs, and being free from avian proteins and therefore can be used in sensitized patients.

Study Type : Review
Additional Links
Anti Therapeutic Actions : Vaccination: Measles : CK(252) : AC(31)

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