Fact sheets
The Department of Health, Western Australia, does not produce fact sheets on this topic.
Public Health action
Notifiable disease data and reports
Additional sources of information
Case definition
Only confirmed cases should be notified.
Confirmed case
A confirmed case requires either:
1. Laboratory definitive evidence AND clinical evidence
OR
2. Laboratory suggestive evidence AND clinical evidence AND epidemiological evidence.
Laboratory definitive evidence
1. Isolation of yellow fever virus
OR
2. Detection of yellow fever virus by nucleic acid testing
OR
3. Seroconversion or a four-fold or greater rise in yellow fever virus-specific serum IgM or IgG levels between acute and convalescent serum samples
OR
4. Detection of yellow fever virus antigen in tissues by immunohistochemistry.
Laboratory suggestive evidence
Yellow fever virus-specific IgM detected in the absence of IgM to other relevant flaviviruses.
Clinical evidence
A clinically compatible illness.
Epidemiological evidence
History of travel to a yellow fever endemic country in the week preceding onset of illness.
