microtitration of rubella virus in monovalent vaccinal products

Microtitration of Rubella Virus in Monovalent Vaccinal Products

BACKGROUND Potency test for control of rubella vaccine is a significant factor to qualify production line and vaccination program. For this reason, WHO recommends to use the microtitration method by both vaccine companies and control laboratories. Then the study was done to improve this test. METHODS Three rubella virus samples, including an in-house standard, a lot of vaccine and an in-proce...

Monovalent Live-Virus Horse-Sicknes Vaccine

Rubella virus.

The paper deals with a review article of nervous system disorders caused by rubella virus (RV) infection. The diseases are categorized as acute and chronic, the former consists of acute encephalitis and peripheral neuropathy, and the latter congenital rubella syndrome and progressive rubella panencephalitis. Acute rubella encephalitis occurs one case per 6,000 rubella patients either at viremia...

Isolation of Rubella Virus from Patients with Progressive Rubella Pan-Encephalitis

During a period of 7 years (1997-2003) we were received pairs of serum and CSF of 27 suspicious clinically cases from neurology department of several hospitals in Tehran. Among them 7 were serologically positive for progressive rubella panencephalitis (PRPE) and 2 were positive for sub acute sclerosing panencephalitis (SSPE). Rubella virus was isolated from 4 of 7 serologically positive cases o...

Impaired cellular immunity to rubella virus in congenital rubella.

Specific cell-mediated immunity (CMI) responses to rubella virus were studied in 12 children with documented congenital rubella syndrome employing a (51)Cr lymphocytotoxicity microassay. Hemagglutination inhibition antibody was detected in 11 of the 12 children, with titers ranging from 1:4 to 1:128. CMI to rubella virus was demonstrated in only 3 of the 11 antibody-positive children. The 12th ...

Evaluation of Antibodies against Rubella Virus in a Mass Campaign Vaccination in Tehran, Iran

Background and Aims: Vaccine is available, but fetal infection with rubella virus is still a main cause of congenital birth defects and mental retardation in many countries. Mass vaccination campaigns and Expanded Program of Immunization (EPI) have increased vaccine coverage in the world with a substantial impact on the reduction of rubella infections, such as Congenital Rubella Syndrome (CRS)....