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Free research papers and essays on topics related to: ebola

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  • Ebola Hemoragic Fever - 924 words
    Ebola Hemoragic Fever Viral hemorrhagic fevers are a group of diseases caused by viruses from four families of viruses: filoviruses, arenaviruses, flaviviruses, and bunyaviruses. The usual hosts for most of these viruses are rodents or arthropods (such as ticks and mosquitoes). In some cases, such as Ebola virus, the natural host for the virus is unknown. All forms of viral hemorrhagic fever begin with fever and muscle aches. Depending on the particular virus, the disease can progress until the patient becomes very ill with respiratory problems, severe bleeding, kidney problems, and shock. The severity of viral hemorrhagic fever can range from a mild illness to death. The Ebola virus is a me ...
    Related: ebola, ebola virus, fever, hemorrhagic fever, central african
  • Ebola Virus - 720 words
    Ebola Virus The Ebola Virus Cause of Disorder Ebola is a virus and part of the negative-stranded RNA family known as filovirus. It was discovered in 1976 in Africa and was named after a river in Zaire. When the virus is looked at under an electron microscope the filoviridae appear as being long, thin and occasionally they have 'branches' sprouting from one place or another. Ebola can also take the form of a 'U' or a 'b'. There are four known strains of the virus; they are Ebola Sudan, Ebola Zaire, Ebola Reston and Ebola Tai. Ebola Reston only causes disease in monkeys but as the rest of them take approximately 8 hours to duplicate itself. How is it Transmitted The Ebola virus can easily be t ...
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  • Ebola Virus - 1,092 words
    Ebola Virus In the year 1976, Ebola climbed out of its unknown hiding place, and caused the death of 340 people. Fear gripped the victims faces, and uncertainty tortured their minds. The people of Zaire waited outside clinics, churches and in their homes for a treatment of the horrible disease, but there was no cure. They were forced to watch people die, hoping that they would be saved from the violent death of the Ebola virus. From the year of 1976 to the present date of 1996, researchers have searched for origin and cure of the virus. Scientists have carried out numerous studies and investigations, but no one has been able to find the right explanations. Prevention of a world wide outbreak ...
    Related: ebola, ebola virus, virus, west africa, frequently asked
  • Ebola Virus - 1,889 words
    Ebola Virus In the world today, there are many known deadly viruses, but few present as great a threat as Ebola, the virus that causes Ebola Hemorrhagic Fever. Key factors in understanding Ebola HF include: Its history, plan of attack, and the diagnosis and treatment of the disease. The Ebola virus can, and usually does cause a disease called Ebola hemorrhagic fever, which is a Viral hemorrhagic fever. According to the proceedings of the 4th National Symposium on Biosafety, the clinical definition for Viral hemorrhagic fever is as follows. "Viral hemorrhagic fever is an acute infection that begins with fever, myalgia, malaise and progresses to prostration. It shows evidence of vascular dysre ...
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  • Ebola Virus - 1,094 words
    Ebola Virus Ebola virus, a member of the Filoviridae, burst from obscurity with spectacular outbreaks of severe, haemorrhagic fever. It was first associated with an outbreak of 318 cases and a case-fatality rate of 90% in Zaire and caused 150 deaths among 250 cases in Sudan. Smaller outbreaks continue to appear periodically, particularly in East, Central and southern Africa. In 1989, a haemorrhagic disease was recognized among cynomolgus macaques imported into the United States from the Philippines. Strains of Ebola virus were isolated from these monkeys. Serologic studies in the Philippines and elsewhere in Southeast Asia indicated that Ebola virus is a prevalent cause of infection among ma ...
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  • Ebola Virus - 1,107 words
    ... ltifactorial nature of viral evolution makes it difficult to predict such events. According to Doolittle, retrovirus evolution is sporadic, with retroviruses evolving at different rates in different situations. For instance, the human endogenous retroviral element is shared with chimpanzees, indicating no change in over 8 million years, whereas strains of HIV have diverged in mere decades. Endogenous retroviruses carried in the germline evolve slowly compared with infective retroviruses. Generation of new viral pathogens is rare, and often possible only because of high mutation rates that permit many neutral mutations to accumulate before selective pressure forces a change. The seeming u ...
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  • Ebola: A Harbinger Of The End Of The World - 1,458 words
    Ebola: A Harbinger Of The End Of The World English Honors Rewrite #2 Ebola: A Harbinger of the End of the World? Several years ago, a virus which originated in Africa swept the entire world killing millions. This virus is the commonly known HIV virus, the virus which causes the fatal AIDS disease. In the 1950's after virologists began the classification of viruses, isolated cases of what are called hot viruses began springing up around the world. Most of the deadly viruses were hemorrhagic fever viruses. Some different forms of hemorrhagic viruses are Hantaviruses, Arenaviruses, Flaviviruses, Bunyaviruses, and one of the most dangerous types of viruses, the filovirus. If one of these viruses ...
    Related: world population, most dangerous, hemorrhagic fever, yellow fever, outbreak
  • Problems And Preventions Of Ebola And Aids - 1,223 words
    Problems and Prevention's of Ebola and AIDS Research Paper #4 Thursday, April 18, 1996 Viruses have become of great concern all across the world in the last few decades. The most common and the most talked about killer virus is AIDS, a virus that starts out as HIV and then proceeds to develop into a immune breaker that ultimately kills its human host. So far, there is no cure for AIDS, and most unfortunately the numbers of deaths from AIDS only continues to grow. However, another virus has gained much public and national attention. That virus is called Ebola. It is thought that Ebola's effect on humans is restricted to Zaire, Africa. Viruses that kill people in large masses is a major threat ...
    Related: aids, aids epidemic, aids prevention, aids research, ebola, ebola virus
  • The Ebola Virus - 473 words
    The Ebola Virus The Ebola virus (family Filoviridae) responsible for a severe and often fatal haemorrhagic fever; outbreaks in primates as well as in humans have been recorded. The disease is characterised by extreme fever, rash, and profuse haemorrhaging. Fatality rates range from 50 to 90 percent. (1) Ebola was regarded as an epidemic in 1976 when it was discovered along the Ebola River in Zaire. The outbreaks moved throughout Zaire and The Sudan. In 1995 there was another epidemic in Zaire which resulted in hundreds of deaths as did the earlier epidemics. (2) People who contracted the Ebola virus will notice symptoms 4 16 days after they contract the virus. An infected person will sudden ...
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  • The Ebola Virus - 1,594 words
    The Ebola Virus A virus is an ultramicroscopic infectious organism that, having no independent metabolic activity, can replicate only within a cell of another host organism. A virus consists of a core of nucleic acid, either RNA or DNA, surrounded by a coating of antigenic protein and sometimes a lipid layer surrounds it as well. The virus provides the genetic code for replication, and the host cell provides the necessary energy and raw materials. There are more than 200 viruses that are know to cause disease in humans. The Ebola virus, which dates back to 1976, has four strains each from a different geographic area, but all give their victims the same painful, often lethal symptoms. The Ebo ...
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  • The Ebola Virus - 426 words
    The Ebola Virus By: Wesley Mark Whitworth Ebola is an extremely deadly virus in our society today. Some even claim that is the most deadly ever discovered. Ebola is a member of the filoviruses (a family of RNA-BASED viruses). Filoviruses get their name from their peculiar shape. They appear to be long threads or filaments (henceforth the name filoviruses) *See attached photo. This virus was discovered in 1976 in Zaire, Africa and in Western Sudan, Africa. During the first outbreak there were approximately 550 cases leading to 340 deaths. Three years after the first outbreak, a smaller outbreak took place in Sudan, Africa. This outbreak was much smaller though, with only 34 cases and 22 death ...
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  • The Ebola Virus: Investigating A Killer - 1,455 words
    The Ebola Virus: Investigating A Killer The female scientist, fully dressed in a quarantine outfit, anxiously prepared to inject a sedative into the arm of the delirious patient. Although he was being held down by several pairs of arms, he was still putting up a good fight. The needle goes in. He jerks. The needle flicks into the forefinger of the scientist. The scientist stares at her finger in shock and disbelief, and runs away. It would only be a few days now before she would die. Thankfully, this is only a scene out of the 1995 box-office hit, Outbreak (Fig. 3), which was about Americans fighting against the spread of a nationwide epidemic caused by one of the most feared viruses of our ...
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  • The Ebola Virus: Investigating A Killer - 1,475 words
    ... a more highly populated area; - poor hygiene and sanitation in a human population, hence increasing the chances of contact with bodily fluid (e.g. excretion from Ebola patients get into sewage system and human contact is common); - decreased immunity level in population; - insufficient public health infrastructure (e.g. hospital facilities); - lack of public education regarding the virus; - poor communication infrastructure (leading to delayed medical response and public notification). The analysis of these conditions has helped many understand when, why and how Ebola disasters strike. Precautions can therefore be taken by following the following preventive measures. More recent outbreak ...
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  • Bioinvasion: The Economys Nemesis - 914 words
    Bioinvasion: The Economy's Nemesis BioInvasion: The Economy's Nemesis In today's world of war, terrorism, and economic instability, the United States has been strong and has held the world together, but BioInvasion is fast becoming a dangerous threat to our economic well being. In 1997 African ticks carrying heartwater disease; a fatal animal disease from South Africa, were found on a leopard tortoise that a reptile dealer in Florida had just purchased. Upon investigating his facility scientist found an infestation of these disease-ridden ticks. If they had not caught these they could have caused an epedemic. These exported disease, which our domesticated animals have no immunity to, could e ...
    Related: nemesis, national intelligence, armed forces, human disease, fourteen
  • Biological Viruses: All Time Enemies - 1,132 words
    ... a rash of fluid-filled blisters that begin as red spots covering most of the body and the inside of the mouth. The disease is dangerous to newborns, to people first infected in adulthood, and to those in whom the virus remains dormant in nerve cells, erupting as the more painful and sometimes chronic zoster (shingles) later in life. VZV is a member of the Herpes virus family, which also includes the causative agents of infectious mononucleosis, roseola, and oral and genital herpes (Microsoft Encarta 96 Encyclopedia). An extremely contagious viral disease, chiefly of children, characterized by early fever, an eruption of papules and vesicles, and mild constitutional disturbances. In most ...
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  • Bioterrorism - 1,831 words
    Bioterrorism You wake up early for work and kiss your family goodbye. On your daily transit you see a man drop a glass vial in the subway, but you think nothing of it. Moments later you become a statistic. A statistic of Bioterrorism. The threat of Bioterrorism, long ignored and denied, has heightened over the past years and needs to be publicly addressed. There are three possible solutions to this threat that are within grasp. The first of which would be a nation wide vaccination against all agents that could be used against the American public. Second, we could educate people to more efficiently spot the symptoms of such an act, or to protect themselves from an act that has already taken p ...
    Related: american public, human life, present danger, countless, outbreak
  • Chemical Biological Warfare - 920 words
    Chemical & Biological Warfare Ever since the beginning of time people have used tools, which were later called weapons. People have used weapons to defend his or her life, family, property, prosperity, country, and even his honor. Over the years weapons have improved greatly and people are still trying to make them even better. In earlier times when man started using weapons they were made of stones, sticks, fire, or whatever was available to them. Now, the weapons I speak of weren't as harmful and deadly as the weapons of today, but as the old story goes, David did kill the giant Goliath with a sling-shot and a stone. These weapons could still kill someone if they didn't receive the proper ...
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  • Computer Viruses - 1,281 words
    Computer Viruses Almost every End-user in the world has heard of computer viruses and/or has had one at one point in time. Dont worry if you havent heard about them, you wont find it in your bloodstream. Unfortunately you may find one in your computer memory or disk storage. Some may be as benign as the common cold and others as deadly to your hard drive as the Ebola virus . - 1 -What is a Computer Virus? ~ Usually defined as a malicious code of computer programming it is actually just another software, only written with not so noble intentions. ~ A computer virus is designed to install, reproduce itself and cause damage to computer files and data without the users knowledge or permission. ...
    Related: boot sector viruses, computer programming, computer running, computer security, computer virus, computer viruses, viruses
  • Ecology And Plague - 528 words
    Ecology And Plague Ecology is a branch of science concerned with the interrelationships of organisms and their environment. An ecosystem is a community, together with its nonliving factors existing together. Scientifically, a community consists of a collection of creatures that live in a particular place together. The Coming Plague was a novel that outlined how each epidemic has been a direct result of each step of human progression. The diseases covered in laymans terms were Machupo, Marburg, Yellow Fever, Meningitis, Lassa Fever, Ebola, Swine, Flu, Legionaires Disease, HIV/AIDS, Toxic Shock Syndrome, Hantavirus, Malaria, Seal Plague, Tuberculosis and Cholera. Humans have not been exempt fr ...
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  • Human Disease Research - 2,297 words
    Human Disease Research Human Disease IINTRODUCTION Human Disease, in medicine, any harmful change that interferes with the normal appearance, structure, or function of the body or any of its parts. Since time immemorial, disease has played a role in the history of societies. It has affected-and been affected by-economic conditions, wars, and natural disasters. Indeed, the impact of disease can be far greater than better-known calamities. An epidemic of influenza that swept the globe in 1918 killed between 20 million and 40 million people. Within a few months, more than 500,000 Americans died-more than were killed during World War I (1914-1918), World War II (1939-1945), the Korean War (1950- ...
    Related: alzheimer's disease, disease research, heart disease, human disease, huntington's disease, infectious disease, liver disease
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