Free Influenza Virus Essays and Papers

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    Influenza A Virus

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    infection of the respiratory tract caused by influenza viruses. Influenza A, B and C viruses belong to the Orthomyxovirus, which is the family of enveloped viruses with segmented, single-stranded, negative-sense RNA genome (Calder et al., 2010; Cox & Subbarao, 1999). Influenza A virus is the most virulent human pathogen among the three types because they can infect both animals and human, causing of all the major flu pandemics in modern history. Influenza A virus, unlike most RNA viruses, transcribes and

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    Influenza Virus

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    conserved pocket in the stem region shared with the diverse influenza subtyupes and function critical for viral fusion. Therefore, characterizing permitted evolutionary routes of the virus over the course of F10-type immune selection may serve as templates for the design of universal influenza vaccine and treatment strategies against all types of influenza viruses including those emergent pandemic strains. Selection of VN/04 (H5N1) or A/PR/8 virus escape mutants with F10 antibody was performed in MDCK

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    The Influenza Virus

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    Summary Most viruses are miniscule, The influenza virus measures about 100 nanometers across, and has just 13 genes.In the past decade larger viruses have been found. French researchers recently discovered a giant virus which has a volume larger than the flu virus by a thousand-fold, and contains 2,556 genes. Interestingly the genes found only match 6% of the known genes on earth. Viruses were discovered on tobacco plants in the 1800s by scientists. Infected leaves were mashed up with water and

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    Influenza Virus

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    Influenza is one of the viruses that spread very fast and impacts a lot of people around the globe. At any given year, 20% of the population in the United States is expected to develop influenza pandemic (Palese and García-Sastre, 2002). In the US alone, there are more than 30,000 deaths a year just from influenza (Yang et al., 2013). Influenza virus is from the family Orthomyxoviridae with two main strains: Influenza A and B are the most common once to cause disease in human and they can be both

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    Essay On Influenza Virus

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    Influenza is caused by an RNA virus from the Orthomyxoviridae family (which consists of the genera influenza A, B, and C). The influenza virus is taken into account unstable, mainly thanks to the fact that the viral surface proteins, haemagglutinin and neuraminidase, are subject to antigenic evolution. New strains and variants are constantly emerging every year. The influenza virus is transmitted from human to human mainly by droplet spread, although there have been cases of animal to human transmission

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    The Effects of the Influenza Virus

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    Influenza: The Virus and its Effects Abstract The flu, properly called influenza, is an amazingly widespread and widely known disease. There are many variations of the influenza virus, differing in severity, but not significantly different in function. The influenza virus infects epithelial cells in the respiratory tract, taking over the cell’s production mechanisms so more viruses are produced, eventually causing the host cells to burst. The body’s immune system tries to combat the infection

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    Influenza A H1N1 Virus

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    Introduction In 1918-19 approximately 50 million deaths were a detriment of the Spanish H1N1 virus pandemic; a respiratory virus. According to the World Health Organization, the second Influenza A H1N1 pandemic in 2009 spread to more than 200 countries causing more than 18 000 deaths. Before the World Health Organization had announced the official end of the pandemic in August 2010, in July 2009 the World Health Organization sent out a phase 6 warning that H1N1 could soon be a global pandemic.

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    Influenza Virus Causes

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    Influenza is an acute respiratory illness caused by infection of influenza A and B viruses. The disease can affect both the upper and lower respiratory tract and is often followed by systemic signs and symptoms, such as: sudden onset of fever, chills, non-productive cough, myalgias (muscle pain), headache, nasal congestion, sore throat, and fatigue. (Cox et al.1998). Influenza viruses evolve continuously, challenging mammalian and avian hosts with new variants and causing complex epidemic patterns

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    Avian Influenza Virus

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    Introduction The influenza virus is an RNA virus has an envelope that included members of the family Orthomyxoviridae. Its genome is a single negative strand segmented RNA. This virus consists of three types: A, B, and C. Influenza types A and B has eight segments of RNA, but the influenza virus type C only has 7 segments (Cheung and Poon, 2007). Influenza A virus is a virus that spread and infect many species of animals such as pigs, horses, cats, tigers, leopards, marine mammals and fowl and including

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    Influenza is caused by an RNA virus from the Orthomyxoviridae family (that consists of the genera influenza A, B, and C). Human influenza A and B viruses cause seasonal epidemics almost each winter within the United States. Influenza type B infects humans only, therefore it is unable of undergoing a mutation. Pandemics are caused solely by influenza A strains. The emergence of a new and completely different influenza virus to infect people will cause an influenza pandemic. Influenza kind C infections

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    Influenza Virus Report

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    Jordan Richards BIOB 425 Paper #1 Assembly of endocytic machinery around individual influenza viruses during viral entry The purpose of this paper was to determine the entry method of influenza by tracking an individual influenza virus and endocytic structures in living cells. The main focus of entry was clathrin-mediated pathways and clathrin- and caveolin- independent pathways. These pathways were further researched to understand the development and use of clathrin-coated pits (CCP) and clathrin-coated

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    Influenz Influenza Virus

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    Influenza better known as the "flu" affects millions of people in the United States every year from fall to winter. Influenza is a common contagious virus which comes in influenza virus type A, B and C. They are single-stranded RNA viruses in the family Orthomyxovirus. Influenza type A virus cause severe symptoms and is associated with pandemics and severe disease and more localized outbreaks. Influenza type C virus usually does not cause epidemics or significant disease. (Engelkirk, Tenth Edition

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    Small Mutations in the Influenza Virus can have Large Impacts on a Population Influenza is a highly infectious virus that has affected many people. The virus mutates rapidly, which increase the chance for an influenza outbreak to occur. Mutations and the types of symptoms can affect how quickly the virus can spread throughout a population. These small mutations in the virus led to about 50 million deaths worldwide during the 1918 influenza pandemic.1 Influenza still causes many hospitalizations

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    Introduction The last major influenza virus outbreak occurred in 1918, when the “Spanish flu” H1N1 pandemic killed between 20 and 40 million people worldwide. Before then, a pandemic would occur about once every century. However, this influenza pandemic was unusual because of its large death toll on healthy and young people, how fast it spread, and how deadly it was. Although vaccines had already been developed and were distributed to the public, the search for a cure for the influenza virus was delayed because

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    The Avian Influenza Virus

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    Avian Influenza Virus had its first outbreak in 1997 (Beigel et al. 2005), re-emerged in 2003 (Gao et al. 2013b) and evolved in 2013 (Gao et al. 2013a), its impact on the human population, especially in Asian and European continents has been detrimental to the human population. It was initially thought due to the nature of the Avian Influenza humans could not contract the virus. However as human airway cells become susceptible in the late stages of an illness, the influenza and Avian virus have habitable

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    Influenza Virus A can affect the human body in so many ways. The study of the virus to body relationship can help medical professionals understand the role of illness and future consequences it can play on human health. A major point that has been tested in various ways is the relationship of natural killer cells with the virus. Natural killer cells are known as defensive cells in the human body that protect against infections (Schultz-Cherry 2011). These cells are signaled to recruit to the lung

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    Influenza Virus The influenza virus is commonly known from the common name ‘flu’ it is a viral RNA genome made up from negative RNA strands, it is a highly infectious viral infection, and found wrapped within a lipid membrane. The general symptoms of this virus can be found to be either mild or can become severe. Particularly to patients that are among the high-risk category (Late in pregnancy, elderly, and people who have cardiopulmonary insufficiency). The common symptoms of this virus are sore

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    “Aussie flu”, an Australian influenza virus, has made headlines on media worldwide. It is suggested that the Australian strain has spread to other countries, which has led to criticism of Australia’s Public Health policies. Although, is it possible to identify a strain’s source? If so, how did this “Aussie flu” become so harmful, could it have been prevented? The media is comparing this year’s flu outbreak to the 1968 Hong Kong flu, is it really the next flu pandemic? Influenza viruses are ever evolving

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    After the outbreak of avian influenza A(H7N9) virus, varies therapies are available in recent years. The effective treatments of avian influenza A(H7N9) could combine chemotherapy therapy, physical therapy and Psychotherapy. Without effective treatments of avian influence A(H7N9), over one hundred patients had to undertake the high risk of death and the pain of parting with family. The purpose of this essay is to analyze three major effective therapies of avian influenza A(H7N9) and compare them

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    Influenza is one of the top viruses to cause fatalities each year, which make Influenza a great search topic for several reasons. For example, an individual will have a clear understanding of the virus which has worldwide effects. Also, a clear understanding of research and surveillance data conducted and collected by governmental agency, will be understood. One will grasp preventive or protective methods from what can end up becoming a deadly virus. One will comprehend governmental findings and

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