Global event-based surveillance of chemical incidents.

Background: The number of chemicals in our society and in our daily lives continues to increase. Accompanying this is an increasing risk of human exposure to and injury from hazardous substances. Performing regular, structured surveillance of chemical incidents allows a greater awareness of the types of chemical hazards causing injury and the frequency of their occurrence, as well as providing a better understanding of exposures.

Development of a mechanism for the rapid risk assessment of cross-border chemical health threats.

Background: Chemical incidents can result in harm to public health and the environment. Although most are localised and have little impact, some affect wide areas, a range of sectors and may lead to many casualties. A public health response to assess the risks and provide advice to authorities and the public is usually required.