Related Subjects:
| Fever in a traveller
|Malaria Falciparum
|Malaria Non Falciparum
|Viral Haemorrhagic Fevers (VHF)
|Lassa fever
|Dengue
|Marburg virus disease
| AIDS HIV
| Yellow fever
| Ebola Virus
| Leptospirosis
| Crimean-Congo haemorrhagic fever
|African Trypanosomiasis (Sleeping sickness)
|American Trypanosomiasis (Chagas Disease)
|Incubation Periods
| Notifiable Diseases UK
VHF should be considered in a patient who has visited an endemic area within the past 21 days, or who has had close contact with a patient with suspected VHF within 21 days. Absolutely NO blood samples must be sent to the laboratory until the situation has been assessed. The commonest diagnosis in patients with suspected VHF is malaria
Key UK Guidance here - see the treatment algorithm here: Viral haemorrhagic fevers risk assessment algorithm (version 6: 18.09.2015) and see the Management of Hazard
Group 4 viral haemorrhagic
fevers and similar human
infectious diseases of high
consequence and Key CDC guidance for US healthcare workers is here
Spread is by direct or indirect contact with infected fluids. Experts agree that there is
no circumstantial or epidemiological evidence of an airborne
transmission risk from VHF patients.
About
Virology
Aetiology
Known
Transmission
Clinical: The commonest diagnosis in patients with suspected VHF is malaria
Diagnostic requirements in UK: patients need to have
Patients with a fever > 37.5°C are highly unlikely to have a VHF infection
if:
Reassess risk status for VHF diagnosis if any of the following
Investigations
Management: take urgent local ID advice before sending samples. Isolate patient. Consider malaria though it is possible to have VHF and Malaria
References
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Viral Haemorrhagic Fevers (VHF)
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