eMedicine Specialties > Pediatrics: General Medicine > Infectious Disease
Viral Hemorrhagic Fevers: Follow-up
Updated: Jan 27, 2009
Follow-up
Further Inpatient Care
- Intensive care treatment, when available, is most likely required for viral hemorrhagic fevers (VHFs).
Transfer
- Transfer to another facility is appropriate when the required level of care and specialists are not available locally.
Deterrence/Prevention
- The most important measure for preventing viral hemorrhagic fever is avoidance of insect bites from the vectors and exposure to rodent sources of infection.
- Immunization with live attenuated Junin virus in Argentina has reduced the incidence of disease to fewer than 100 cases in recent years.4
- Elimination of specific reservoir rodents from towns is practical and effective for most South American HFs. Care should be taken before entering or cleaning closed buildings with potential rodent infestation.
- Infection with one of the Bunyaviridae leads to full immunity.
- Since 1994, live, attenuated, and inactivated Rift Valley fever (RVF) virus vaccines have been available for domestic livestock and an experimental inactivated RVF virus vaccine is available for human use.5
- Avoidance of ticks and slaughtering of acutely infected animals may eliminate much of the risk of RVF and Crimean-Congo hemorrhagic fever (CCHF). Tick-borne flaviviruses may be suppressed by postexposure prophylaxis with virus-specific IgG.
- Barrier nursing and needle sterilization in African hospitals are of particular importance to eliminate epidemics of Ebola and Marburg diseases, as is avoidance of close contact with infected patients. Promising vaccines against these viruses are in preliminary primate studies.
- Careful evaluation of all sick primates should also be undertaken.
Complications
- Hearing deficits have been reported in up to one third of patients with severe Lassa fever.
- Uveitis, orchitis, transverse myelitis, and recurrent hepatitis are late complications of Ebola and Marburg infections.
- Infection with RVF may lead to blindness in as many as 20% of patients.
Prognosis
- Individuals who survive and do not experience specific sequelae typically return to their premorbid state.
Patient Education
- Discussing protective measures with prospective travelers is of utmost importance for avoidance of VHFs and many other infections.
- For excellent patient education resources, visit eMedicine's Bites and Stings Center. Also, see eMedicine's patient education article Ticks.
Miscellaneous
Medicolegal Pitfalls
- Failure to consider the diagnosis of viral hemorrhagic fever (VHF) in a traveler or resident from an endemic region
- Failure to institute proper protective isolation for caretakers
More on Viral Hemorrhagic Fevers |
| Overview: Viral Hemorrhagic Fevers |
| Differential Diagnoses & Workup: Viral Hemorrhagic Fevers |
| Treatment & Medication: Viral Hemorrhagic Fevers |
Follow-up: Viral Hemorrhagic Fevers |
| References |
| « Previous Page |
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Further Reading
Keywords
viral hemorrhagic fever, VHF, Alkhurma, Arenaviridae, Argentine hemorrhagic fever, AHF, Bayou virus, Black Creek Canal virus, Bolivian hemorrhagic fever, Brazilian hemorrhagic fever, Bunyaviridae, Chapare virus, Crimean-Congo hemorrhagic fever, CCHF, dengue, dengue fever, dengue hemorrhagic fever, dengue shock syndrome, Dobrava/Belgrade virus, Ebola, Ebola hemorrhagic fever, Filoviridae, Flaviviridae, Four Corners virus, Guanarito virus, Hantaan virus, Hantavirus, Hantavirus pulmonary syndrome, HPS, hemorrhagic fever with renal syndrome, HFRS, Junin virus, Kyasanur Forest disease, Lassa fever, Machupo virus, Marburg virus disease, Muleshoe virus, New York virus, Omsk hemorrhagic fever, Puumala virus, Rift Valley fever, RVF, Sabia virus, Seoul virus, Sin Nombre virus, tropical viral infection, Venezuelan hemorrhagic fever, yellow fever
Follow-up: Viral Hemorrhagic Fevers