Public health achieved considerable health improvements in the 19th Century with for example, treatment and legislation relating to water supply, sewage disposal and safer food. In the last century this legacy was extended with improvements in nutrition, the introduction of antibiotics and the sulphonamide drugs, early childhood vaccinations, the introduction of legislation on the compulsory use of seat belt and tobacco controls and taxation etc. While many countries retain a school health service, in other countries a public health intervention approach is not deemed appropriate or relevant for schools, except as a site for mass vaccinations of children as.
