Mode of transmisison: droplet/direct contact with urine

Incubation: 16-18d; ranging from 12-25d

Period of infectivity: 7d before onset of parotits until 9d after

Vaccines: live attenuated

  • MMR

Schedule: 15mo, 4yrs

efficacy: 64-66% effective 1 dose, 83-88% 2 doses

Herd:

  • paramyxocirus

  • single strand RNA

  • rapidly inactivated by head formalin ether, chloroform, light

clinical features

  • classic

    • acute

      • fever

      • headache

      • swelling/tendneress of one or more parotid glands

      • 30% infections asymptomatic

    • complications:

      • aspetic meningitis - 15%

        • without sequelae
      • orchitis - uniltaerl - 20% post pubertal

        • sterility rare
      • unilateral nerve deafness 1:15 000

      • encephalitis

        • 1:400 - 1:6000
  • Mumps in 1st triester increase rate of spont. abortion

  • no evidecne that causes fetal abnormalities