[maffsolo (OP)]

male humans and mumps is fine for children to have, but as a male adult it may be most feared and as efficient, more cost affective, than a vasectomy without being cut...  it tamper proofs any chance of a baby maybe. But does it effect all adult males the same way by baking the best of our blood?

[RD]

Not as reliable as vasectomy ...

Fertility in men after mumps infection without manifestations of orchitis.

... Out of 20 patients 12 were fertile, while 8 were subfertile.

http://www.ncbi.nlm.nih.gov/pubmed/8692089

Semen analysis after vasectomy:

... (97%) had no sperm and the men were thus declared azoospermic.

http://www.ncbi.nlm.nih.gov/pubmed/10971276

[CliffordK]

Sorry, not notes about the effects of the disease.

But, the MMR (Measles, Mumps, Rubella) vaccine is given to most children in the USA, along with the TD or TDP (Tetanus, Diphtheria, Pertussis) vaccines.