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Mumps is spread from person to person by droplets sprayed from the respiratory tract of infected persons, and it is highly contagious. The incubation period of the disease varies from 15 to 21 days.
The incubation period for mumps can be 12-25 days, but the average is 16-18 days. Children usually recover from mumps in about 10-12 days. It takes about 1 week for the swelling to disappear in each parotid gland, but both glands donât usually swell at the same time.umps can be prevented by vaccination. The vaccine is given as part of the measles-mumps-rubella (MMR) immunization, which is usually given to children at 12-15 months of age. A second dose of MMR is generally given at 4-6 years of age.