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Since the 1950s rabies has become a familiar threat in southern Canada. Periodic outbreaks remind us how slight our control over it is. Although new vaccines such as human diploid-cell rabies vaccine have greatly improved the management of rabies in humans, true control must be sought through knowledge of the disease in or wildlife. A guide to rabies prophylaxis in humans is presented, courtesy of the National Advisory Committee on Immunization.

The United States is attempting to eliminate indigenous measles by October 1982. Progress in this effort appears to be related largely to the fact that all children must now be vaccinated before starting school and that unvaccinated children are not allowed to attend school during epidemics. Canada has not yet made a similar concerted effort to eliminate measles. The epidemiologic features of the disease in Canada and the United states have generally been similar, but some differences have emerged in recent years: Canadian rates are currently about 10 times higher, and the highest incidence in Canada is still in children 5 to 9 years of age, whereas in the United States the highest incidence is now in children aged 10 to 14 years, the result of intensive vaccination programs for preschool and early school-aged children.