Hemorrhagic Fever News and Research

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Viral hemorrhagic fevers (VHFs) refer to a group of illnesses that are caused by several distinct families of viruses. In general, the term "viral hemorrhagic fever" is used to describe a severe multisystem syndrome (multisystem in that multiple organ systems in the body are affected). Characteristically, the overall vascular system is damaged, and the body's ability to regulate itself is impaired. These symptoms are often accompanied by hemorrhage (bleeding); however, the bleeding is itself rarely life-threatening. While some types of hemorrhagic fever viruses can cause relatively mild illnesses, many of these viruses cause severe, life-threatening disease.

Crimean Congo hemorrhagic fever virus strips away immune system's defensive measures

When the alert goes out that a virus has invaded the body, cells that have yet to be attacked prepare by "armoring" themselves for combat, attaching specific antiviral molecules to many of their own proteins to help resist the invader.

13 Dec 2007

Ebola ravages Uganda as local doctor dies after treating victims

With the latest reports suggesting that as many as 25 people have now fallen victim to the deadly virus, the new and mysterious strain of Ebola has infected some of the medical workers who treated patients without the aid of latex gloves and respirator gowns.

9 Dec 2007

Frightening new Ebola strain ravages remote Congo area

An outbreak of a new strain of the deadly Ebola virus in a remote area near the Democratic Republic of Congo is causing considerable concern.

3 Dec 2007

New human rhinovirus associated with pediatric respiratory tract infection in Germany

Using a rapid, sensitive, and inexpensive diagnostic tool called MassTag PCR, scientists at Columbia University Mailman School of Public Health's Center for Infection and Immunity implicated a new human rhinovirus as the cause of severe pediatric respiratory tract infections in Europe.

21 Nov 2007

Dengue fever vaccine looks very promising

The vaccine Tetravalent is manufactured by drug company Sanofi who say it will be ready to be submitted for approval by the year 2012.

7 Nov 2007

Winning the battle against deadly Ebola

The latest reports from the Democratic Republic of the Congo (DRC) say health workers are slowly winning the battle against the deadly Ebola hemorrhagic fever.

2 Oct 2007

Animal model for dengue research

A mosquito-borne disease often known as "break-bone fever" has found a new enemy in a unique type of mouse.

28 Aug 2007

Fruit bats the culprit in spreading Marburg virus

Scientists have found that fruit bats that roost in caves could be the culprits in the spread of the deadly Marburg virus.

22 Aug 2007

New animal model for Lassa fever

Scientists at the Southwest Foundation for Biomedical Research have developed a new tool in the battle against a potential biological weapon, Lassa fever, which kills several thousand people each year and leaves thousands more with disabilities such as deafness and liver damage.

1 Jun 2007

BioForce Nanosciences pursues support for ViriChip platform

BioForce Nanosciences continues their effort to fund development of the ViriChip platform, a patented system designed to rapidly and nondestructively detect and identify whole viruses.

12 Apr 2007

Severe dengue infections may go unrecognized in international travelers

Severe cases of a common travelers' infection may not be recognized if doctors rely on the World Health Organization's (WHO) guidelines for identifying it, according to a new study published in the April 15 issue of The Journal of Infectious Diseases, now available online.

3 Apr 2007

Discovery of mechanism by which Ebola and Marburg viruses cause disease

Researchers in the Greene Infectious Disease Laboratory at Columbia University's Mailman School of Public Health, the Centers for Disease Control and Prevention, and the Caribbean Primate Research Center have discovered a key mechanism by which the Filoviruses, Ebola and Marburg, cause disease.

16 Oct 2006

Scientists identify genetic element that the dengue virus uses to replicate

The first step in the transmission of mosquito-borne viruses is no mystery: it's the pesky insect's bite that allows the virus to enter its victim's bloodstream.

2 Aug 2006

Surprising discovery about the inner workings of vesicular stomatitis virus

Biochemists at Wake Forest University School of Medicine have made a surprising discovery about the inner workings of a powerful virus - a discovery that they hope could one day lead to better vaccines or anti-virus medications.

11 Apr 2006

New approaches to counteract platelet shortages

Availability of safe platelets is a fundamental blood transfusion challenge and can be especially problematic in times of emergency. Several studies presented at the annual American Association of Blood Banks (AABB) meeting today demonstrate new approaches to counteract platelet shortages by enhancing the safety of whole blood derived platelets, precluding the need to rely on only those obtained through apheresis.

17 Oct 2005

Flaviviruses immune system defenses in different ways depending on whether they are transmitted by mosquitoes or ticks

"Flaviviruses exact an enormous toll in terms of illness and death worldwide," notes NIAID Director Anthony S. Fauci, M.D. "Because this is a relatively new field of study, everything we learn about how these viruses operate is significant.

28 Sep 2005

Dengue and other viruses may have developed tricks that let them reproduce inside macrophages

A monoclonal antibody that can effectively treat mice infected with West Nile virus has an intriguing secret: Contrary to scientists' expectations, it does not block the virus's ability to attach to host cells. Instead, the antibody somehow stops the infectious process at a later point.

28 Sep 2005