Mumps too is a preventable viral infection through vaccination. Mild mumps causes inflammation and swelling of the salivary glands (mostly parotoid glands), but can also affect the testicles in older boys and cause an aseptic Meningitis that can lead to heavy impairment and hearing loss.
MMR is the bad-mouthed compound vaccine containing:
- Rubella (German Measles)
There are decades of evidence clearing it of any relationship to Autism. It is safe, but many parents still consider delaying its administration until after the age of 3 years old instead of 12-18 months.