Guelph Ontario: Epidemic Parotitis in unimmunized children.

ProMED (Harvard) 4 cases reported in unimmunized children. Other unimmunised sent home for 16 days.
Ontario allows unimmunised children to attend schools.

1967 Merck's Dr MAURICE HILLMAN ,1919-2005, produced Mumps vaccine from 5y old infected daughter 's saliva ("Jenny Lynn" strain) Provided free in Ontario but refused by some parents. (Stats`Can 46% Canadians functionally illiterate) Ontario allows children in Secondary education .to work;usually in fast-food chains.