how long is mumps contagious for
A person infected with mumps can spread the virus to a non-infected person from approximately 3 days before symptoms appear, to 5 days after swelling of the salivary glands. Return to Top.evere complications are rare. However, mumps can sometimes lead to inflammation of the ovaries (oophoritis), miscarriage in early pregnancy, and very rarely to deafness or inflammation of the brain (encephalitis).