A<unk>  is any<unk>  that is required by law to be reported to government authorities. The collation of information allows the authorities to monitor the<unk> , and provides early warning of possible outbreaks. In the case of livestock<unk> s, there may also be the legal requirement to kill the infected livestock upon notification. Many governments have enacted regulations for reporting of both human and animal (generally livestock)<unk> s.
Notifiable disease
Contagious disease
At risk mental state
Hazardous waste
Risk factor
Disease cluster
Disease vector
Preventable causes of death