So far this year there have been 4,718 measles cases across the country, according to Health Canada. The Ministry of Health told The Tyee public health nursing teams visit schools to provide routine vaccinations in kindergarten, Grade 6 and Grade 9. The Burnaby school district said its ventilation systems are designed, operated and maintained to WorkSafeBC standards and legislative requirements. The Langley school district said it would not be able to respond to the media request by press time, and the Coquitlam school district didn’t respond. The Ministry of Health told The Tyee infants, children and adults can be vaccinated at their local health unit or health centre or by some family doctors.