Influenza: a virus that replicates, mutates, spreads among species, and the cause of the recent h1n1 scare is definitely an apparent danger to humans today type a influenza is an rna virus that ‘reproduces’ through replication. There are three different types of influenza virus – a, b, and c type a viruses infect humans and several types of animals, including birds, pigs, and horses type b influenza is normally found only in humans, and type c is mostly found in humans, but has also been found in pigs and dogs. Influenza viruses types a and b cause seasonal flu outbreaks, and the flu vaccine provides protection against both virus types although these viruses have many similarities, they also have distinct differences in their structural and clinical characteristics. Swine influenza, also called pig influenza, swine flu, hog fluand pig flu, is an infection by any one of several types of swine influenza virus swine influenza virus (siv) or s-oiv (swine-origin. Below is an essay on influenza from anti essays, your source for research papers, essays, and term paper examples influenza, commonly referred to as the flu, is an infectious disease caused by rna viruses of the family orthomyxoviridae (the influenza viruses), that affects birds and mammals.
- introduction the avian influenza virus is a type a influenza virus which is normally found in birds wild birds are the natural hosts for all known influenza type a viruses this includes waterfowl, gulls and shorebirds. Influenza virus causes flu in most cases this inflammatory disease if actually the most prevalent symptomatic ailment, making it a prime target topic to do an essay on however, it can be difficult to do a paper on flu if you do not have time to research and type. Influenza type a in humans is the most common flu virus type and the one that causes the most severe symptoms out of types a, b and c there are 17 hemagglutinin (ha) and 10 neuraminidase (na) subtypes of the influenza a virus, which are perpetuated in aquatic birds. The effects of the influenza virus essay the effects of the influenza virus essay 2033 words 9 pages 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.
The genomic organization of influenza c viruses is generally similar to that of influenza a and b viruses however, the hef protein of influenza c replaces the ha and na proteins, and thus the influenza c virus genome has one fewer segment than that of influenza a or b viruses. Swine influenza -- commonly known as swine flu is a type of infectious disease caused by the swine influenza virus (siv) swine influenza virus (siv) or swine-origin influenza virus (s-oiv) is very common in pigs all over the orld (siegel, 2. Influenza type a viruses have two proteins that determine their specific type take influenza a(h1n1) the h stands for hemagglutinin and the n stands for neuraminidase the current types of influenza a are a(h1n1) and a(h3n2. Type of paper: essay university/college: university of chicago subject: speech, influenza title: influenza purpose: the purpose of my speech is to educate the audience about prevention, treatment and how to know whether a person is suffering from the flu rather than another illness such as the common cold we will write a custom. Types a and b of influenza influenza is an acute, serious disease caused by a viral infection the influenza virus enters the group of sars (severe respiratory viral infections), but because of the severity of it, as a rule, is considered separately.
Short essay on bird flu dr meenakshi advertisements: bird flu is influenza in birds there are many strains of virus that cause influenza in birds the concern arises when one or more than one of these subtypes mutate and become infectious to human beings there are various strains of virus that causes influenza in birds and other animals. Influenza virus obtains its name from the latin word ‘influentia ‘ which means ‘influence ‘ influenza viruses have been divided into three types, ( a, b and c ) and this based on their nucleoprotein antigen fluctuation. Swine influenza virus is a virus that is common in pigsthis type of influenza virus can also infect humans and birds swine influenza virus is sometimes called siv or swine flu swine flu is common in pigs normally, it only infects people who have been in close contact with pigs. The orthomyxoviruses (influenza viruses) constitute the genus orthomyxovirus, which consists of three types (species): a, b, and c these viruses cause influenza, an acute respiratory disease with prominent systemic symptoms pneumonia may develop as a complication and may be fatal, particularly in elderly persons with underlying chronic disease.
Influenza type d viruses affect cattle and are not known to cause illness in people only type a influenza causes pandemics in humans certain conditions have to be met for a pandemic to occur: a new influenza a virus (that is the result of a major change to the virus) is present with a new virus, people will have little or no immunity. Influenza type a viruses are known to infect people, birds, pigs, horses, whales, seals and other animals, but wild birds represent the natural hosts for these viruses. Influenza virus type a spread among the many animals, including ducks, chickens, pigs, whales, and horses somehow, some minor species of the virus strains are limited to animals alone, but in the offspring of birds and subjected to infection with all kinds of influenza virus a (richman et al, 2009. The bird flu is a type of influenza that is commonly found in the intetions of wild birds there are different types of the avian virus, but the one that has sparked the most amount of attention is the influenza a (h5n1) virus.
There are 4 types of seasonal influenza viruses, types a, b, c and d influenza a and b viruses circulate and cause seasonal epidemics of disease influenza a viruses are further classified into subtypes according to the combinations of the hemagglutinin (ha) and the neuraminidase (na), the proteins on the surface of the virus. Read this essay on flu essay come browse our large digital warehouse of free sample essays since the discovery of the influenza virus and the subsequent development of the flu vaccine, has there been enough science research to support the effectiveness and efficacy of the flu vaccine other types of flu a b conclusion do you know. Type a strains of the influenza virus cause h5n1 avian flu h5n1 affects several types of birds it has mostly been reported in farmed poultry, such as chickens, geese, turkeys , and ducks. Influenza viruses are divided into three types, designated a, b, and c influenza types a and b are responsible for epidemics of respiratory illness that occur almost every winter and are often associated with increased rates for hospitalization and death.