Under investigation - A person that has been reported to a Medical Officer of Health but information is not yet available to classify the case as confirmed, probable, or not a case.

Probable - A person who meets the clinical and epidemiological criteria and laboratory confirmation is not possible.

Confirmed - A person with laboratory definitive evidence.

Not a case - A person that has been investigated and subsequently found not to meet the case definition.

For more information refer to the Mpox section of the Communicable Disease Control Manual.