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 Vaccine against mumps containing a jeryl-lynn virus strain

Details
Inventors: Harford, Nigel Maurice; Colau, Brigitte Desiree Alberte; Didelez, Jean;
Assignee: SmithKline Beecham Biologicals, s.a. (Rixensart, BE)
Primary Examiner: Housel; James
Assistant Examiner: McGraw; Michael
Attorney, Agent or Firm: Majarian; William R., Fedon; Jason C., Gimmi; Edward R.

A new mumps vaccine is presented, comprising a homogeneous pure isolate derived from the Jeryl-Lynn strain of mumps virus. In a preferred embodiment of the invention the vaccine produces higher seroconversion and anitbody titres than know commercial vaccines.

DETAILED DESCRIPTION 1.
A combined vaccine comprising a substantially homogeneous immunogenic Jeryl-Lynn isolate, an attenuated measles virus, an attenuated rubella virus, and an agent for protection against varicella zoster infection, the vaccine not contaminated with more than 10% of another Jeryl-Lynn isolate.
2.
A combined vaccine comprising a substantially homogeneous immunogenic Jeryl-Lynn isolate, a killed measles virus, a killed rubella virus, and an agent for protection against varicella zoster infection, the vaccine not contaminated with more than 10% of another Jeryl-Lynn isolate.
3.
A combined vaccine comprising a substantially homogeneous immunogenic Jeryl-Lynn isolate, a subunit of a measles virus, a subunit of a rubella virus, and an agent for protection against varicella zoster infection, the vaccine not contaminated with more than 10% of another Jeryl-Lynn isolate.
4.
A method of inducing immunity in a mammal to measles, mumps, rubella and varicella zoster virus infections comprising administration to the mammal of an effective amount of a vaccine according to claim 1.
5.
A method of inducing immunity in a mammal to measles, mumps, rubella and varicella zoster virus infections comprising administration to the mammal of an effective amount of a vaccine according to claim 2.
6.
A method of inducing immunity in a mammal to measles, mumps, rubella and varicella zoster virus infections comprising administration to the mammal of an effective amount of a vaccine according to claim 3.




Description:
Mumps is essentially a disease of childhood, which normally presents itself with only minor symptoms.
However, in certain cases the clinical consequences of mumps infection are serious.
For example, mumps is the most common cause of meningoencephalitis in children under 15 years of age in the UK, and a cause of permanent sensorineural deafness in childhood.
Although 30-40% of natural mumps infection are symptomless, the very fact that salivary gland involvement can be unpleasant and that in the adult population mumps can cause 1st trimester abortions and orchitis of men as well as the neurological complications noted above, has led, in many countries, to the adoption of mass vaccination programs



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