What causes viral hemorrhagic fever?
Viral hemorrhagic fevers are spread by contact with infected animals or insects. The viruses that cause viral hemorrhagic fevers live in a variety of animal and insect hosts. Most commonly the hosts include mosquitoes, ticks, rodents or bats. Some viral hemorrhagic fevers can also be spread from person to person.
What is the meaning of viral hemorrhagic fever?
The term “viral hemorrhagic fever” refers to a condition that affects many organ systems of the body, damages the overall cardiovascular system, and reduces the body’s ability to function on its own. Symptoms of this type of condition can vary but often include bleeding, or hemorrhaging.
How are hemorrhagic fever viruses transmitted?
Viruses causing hemorrhagic fever are initially transmitted to humans when the activities of infected reservoir hosts or vectors and humans overlap. The viruses carried in rodent reservoirs are transmitted when humans have contact with urine, fecal matter, saliva, or other body excretions from infected rodents.
Is hemorrhagic fever virus or bacteria?
Viral hemorrhagic fevers (VHFs) are diseases caused by groups of viruses such as the Ebola virus and Marburg virus. In general, infection with these viruses may cause serious illness with fever and damage to blood vessels affecting many organ systems.
What is hemorrhagic fever called?
Summary. 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.
Is Zika a viral hemorrhagic fever?
Zika fever, also known as Zika virus disease or simply Zika, is an infectious disease caused by the Zika virus. Most cases have no symptoms, but when present they are usually mild and can resemble dengue fever….
Zika fever | |
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Causes | Zika virus mainly spread by mosquitoes, can also be sexually transmitted |
What does hemorrhagic mean?
Hemorrhage is the medical term for bleeding. It most often refers to excessive bleeding. Hemorrhagic diseases are caused by bleeding, or they result in bleeding (hemorrhaging). Related topics include: Primary thrombocythemia (hemorrhagic thrombocythemia)
Can you recover from hemorrhagic fever?
There’s no cure for viral hemorrhagic fevers. Vaccinations exist for only a few types. The best approach is prevention.
Is hemorrhagic fever the same as Ebola?
Ebola’s most notorious symptom may be hemorrhagic fever, but the virus is actually one of many that can cause the hallmark bleeding from the nose, mouth, ears and other places.
How do you know if you have a viral hemorrhagic fever?
Lab tests, usually using a blood sample, are needed to confirm a diagnosis. Because viral hemorrhagic fevers are particularly infectious and contagious, these tests are usually performed in specially designated labs using strict precautions.
What causes hemorrhagic syndrome?
Hemorrhage is any internal or external blood loss from the blood vessels. The foremost obvious explanation for hemorrhage is trauma or injury to a blood vessel. Hemorrhage may also be caused by aneurysms or weak spots within the artery wall that are usually acquired at birth.
What does viral hemorrhagic fever mean?
What are VHFs? Viral hemorrhagic fevers (VHFs) are a group of diseases that are caused by several distinct families of viruses. The term “viral hemorrhagic fever” refers to a condition that affects many organ systems of the body, damages the overall cardiovascular system, and reduces the body’s ability to function on its own.
How is viral hemorrhagic fever diagnosed?
Viral hemorrhagic fevers are diagnosed through special laboratory tests conducted by the Centers for Disease Control and Prevention (CDC). Samples may be taken from the blood and various tissues. Testing is done only with prior consultation and would be coordinated through the Virginia Department of Health.
What is used to diagnose of viral hemorrhagic fever?
Diagnosis and Tests 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 causes hemorrhagic fever?
The disease is caused by a virus known as “rabbit hemorrhagic disease virus type 2,” or RHDV2. It’s highly contagious and frequently fatal for any type of rabbit, hare or pika.