Viral hemorrhagic fevers (VHFs) are a group of illnesses caused by four families of viruses. These include the Ebola and Marburg, Lassa fever, and yellow fever viruses. VHFs have common features: they affect many organs, they damage the blood vessels, and they affect the body's ability to regulate itself.

What is a hemorrhagic fever?

Viral hemorrhagic (hem-uh-RAJ-ik) fevers are infectious diseases that can cause severe, life-threatening illness. They can damage the walls of tiny blood vessels, making them leak, and can hamper the blood's ability to clot. The resulting internal bleeding is usually not life-threatening, but the diseases can be.

Which of the following are hemorrhagic fever diseases?

• Alkhurma hemorrhagic fever.
• Chapare hemorrhagic fever.
• Crimean-Congo hemorrhagic fever.
• Ebola (Ebola Virus Disease)
• Hantavirus Pulmonary Syndrome (HPS)
• Hemorrhagic fever with renal syndrome (HFRS)

Why is Ebola called hemorrhagic fever?

The cause of Ebola hemorrhagic fever is Ebola virus infection that results in coagulation abnormalities, including gastrointestinal bleeding, development of a rash, cytokine release, damage to the liver, and massive viremia (large number of viruses in the blood) that leads to damaged vascular cells that form blood ...

Is hemorrhagic fever the same as Ebola?

Ebola is one of several members of the Filovirus family of viruses that can cause hemorrhagic fevers, and there are at least three other families of viruses that also cause hemorrhagic fevers, including Bunyaviruses, Flavaviruses and Arenaviruses, Schmaljohn said.

Hemorrhagic Fevers - Causes, Symptoms, Treatments & More…

What is the difference between Marburg and Ebola?

Marburg and Ebola viruses are filamentous filoviruses that are distinct from each other but that cause clinically similar diseases characterized by hemorrhagic fevers and capillary leakage. Ebola virus infection is slightly more virulent than Marburg virus infection.

Which type of hemorrhagic fever is also known as breakbone fever because of the severe pain in bones?

Dengue fever used to be called "breakbone fever," which might give you an idea of the severe bone and muscle pain it sometimes can cause.

What does the word Ebola mean?

That virus was the Crimean-Congo hemorrhagic fever virus. So the scientists looked at a small map, pinned up on the wall, for any other rivers near Yambuku. On the map, it appeared that the closest river to Yambuku was called Ebola, meaning "Black River," in the local language Lingala.

What is Ebola known for?

Ebola is a rare but deadly virus that causes fever, body aches, and diarrhea, and sometimes bleeding inside and outside the body. As the virus spreads through the body, it damages the immune system and organs. Ultimately, it causes levels of blood-clotting cells to drop.

Where is hemorrhagic fever located?

Some of these viruses cause mild illness. Many others lead to life-threatening diseases with no known cures. One of the best known of this group is the Ebola virus. Viral hemorrhagic fevers are rare in the U.S. They generally occur in Africa, South American, and Asia.

How is hemorrhagic fever diagnosis?

How are viral hemorrhagic fevers (VHFs) diagnosed? Doctors diagnose VHFs with blood and urine tests. These tests allow a doctor to examine a sample of blood or urine to see if it contains proteins and antibodies associated with VHFs.

What is hemorrhagic disease?

Hemorrhagic disease is a bleeding problem that occurs in a baby during the first few days of life. Babies are normally born with low levels of vitamin K, an essential factor in blood clotting. A deficiency in vitamin K is the main cause of hemorrhagic disease in newborn babies.

What is medical term VHF?

Viral haemorrhagic fever (VHF) is an extremely infectious and life threatening disease caused by a group of viruses including the Ebola virus. Transmission can occur through bites from infected animals, person-to-person exchange of body fluids and accidental inoculation.

What are the types of viral fever?

• Ebola.
• Lassa fever.
• dengue fever.
• yellow fever.
• Marburg hemorrhagic fever.
• Crimean-Congo hemorrhagic fever.

What is VHF infection?

Viral hemorrhagic fevers (VHFs) are a diverse group of animal and human illnesses in which fever and hemorrhage are caused by a viral infection.

What is another name for Ebola?

Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses.

What is Zika virus named after?

Zika virus was first discovered in 1947 and is named after the Zika Forest in Uganda. In 1952, the first human cases of Zika were detected and since then, outbreaks of Zika have been reported in tropical Africa, Southeast Asia, and the Pacific Islands.

What type of virus is Ebola?

Ebola is a virus that causes problems with how your blood clots. It is known as a hemorrhagic fever virus, because the clotting problems lead to internal bleeding, as blood leaks from small blood vessels in your body.

What is the real name for coronavirus?

Human disease preparedness and response is WHO's role, so diseases are officially named by WHO in the International Classification of Diseases (ICD). ICTV announced “severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)” as the name of the new virus on 11 February 2020.

Who named Ebola?

Professor Piot decided to name it after the river Ebola, 60 miles from Yambuku, because he realised the stigma that would attach to the disease.

What are the 5 types of Ebola?

There are five identified Ebola virus species, four of which are known to cause disease in humans: Ebola virus (Zaire ebolavirus); Sudan virus (Sudan ebolavirus); Taï Forest virus (Taï Forest ebolavirus, formerly Côte d'Ivoire ebolavirus); and Bundibugyo virus (Bundibugyo ebolavirus).

Which fever is called breakbone?

dengue, also called breakbone fever or dandy fever, acute infectious mosquito-borne fever that is temporarily incapacitating but rarely fatal. Besides fever, the disease is characterized by an extreme pain in and stiffness of the joints (hence the name “breakbone fever”).

Are yellow fever and dengue fever the same?

Dengue virus is also a member of the family Flaviviridae, and is closely related to yellow fever virus.

What is dengue fever caused by?

Dengue is a mosquito-borne viral disease that has rapidly spread in all regions of WHO in recent years. Dengue virus is transmitted by female mosquitoes mainly of the species Aedes aegypti and, to a lesser extent, Ae. albopictus. These mosquitoes are also vectors of chikungunya, yellow fever and Zika viruses.