Viral haemorrhagic fevers

Clinical criteria
Any person with at least one of the following two:
- Fever
- Haemorrhagic manifestations in various forms that may lead to multi-organ failure

Laboratory criteria
At least one of the following two:
- Isolation of specific virus from a clinical specimen
- Detection of specific virus nucleic acid in a clinical specimen and genotyping

Epidemiological criteria
At least one of the following:
- Travel in the last 21 days to a region where VHF cases are known or believed to have occurred
- Exposure within the last 21 days to a probable or confirmed case of a viral haemorrhagic fever whose onset of illness was within the last six months

Case classification
A. Possible case
NA
B. Probable case
Any person meeting the clinical criteria and with an epidemiological link
C. Confirmed case
Any person meeting the clinical and the laboratory criteria

Current as of: 28 May 2018