-
Mumps virus is isolated
Mumps virus was discovered by Ernest William Goodpasture. -
inactive vaccine developed
It onlyprovided a short term of immunity -
Vaccination is found for mumps
Developed by Maurice Hilleman after his 5 year old daughter was infected. -
Mumps Vaccination Program started
About 180,000 cases were reported each year. -
Period: to
Relative resurgance of mumps
It peaked in 1987 when 12,848 cases were reported -
Two dose vaccine schedule introduced
One dose did not give a person full immunity, so two was needed -
High two-dose vaccination coverage for children reduced disease rates
Two-doses reduced disease rates by 99% -
US experienced a multi-state mumps outbreak
involved more than 6,500 reported cases. It predominantly affected college-aged students living in the Midwest -
Period: to
Two large outbreaks ocurr
First outbreak started in New York City when a kid brought mumps from the UK where there was a big outbreak and involved about 3,000 people. Second one involved about 500 people in the US territory of Guam. -
Period: to
Mumps outbreaks in California, Virginia, and Maryland
Outbreaks on college campuses. They all had a limited spread.
