The Pandemic of Influenze Essay

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With a huge number of victims, 80 to 100 million, since 1918, the influenza is considered as one of the most pandemic diseases ever. There are three types of influenza virus: influenza virus A, influenza virus B, and influenza virus c. These are a subtypes of the virus family orthomyx-oviride. The types B and C do not cause pandemic diseases while type A does. The type A classified into three main subtype H1.N1, H1.N2, and H3.N2. The (H.N) refers to the two kinds of proteins on the surface of the virus (hemagglutinin and neuraminidase). The difference in numbers is due to the difference in protein variability. A H1.N1 virus which is widely known as Spanish flu is the only type that can transmit from human to human. The H5.N1, or “bird flu”…show more content…
With a huge number of victims, 80 to 100 million, since 1918, the influenza is considered as one of the most pandemic diseases ever. There are three types of influenza virus: influenza virus A, influenza virus B, and influenza virus c. These are a subtypes of the virus family orthomyx-oviride. The types B and C do not cause pandemic diseases while type A does. The type A classified into three main subtype H1.N1, H1.N2, and H3.N2. The (H.N) refers to the two kinds of proteins on the surface of the virus (hemagglutinin and neuraminidase). The difference in numbers is due to the difference in protein variability. A H1.N1 virus which is widely known as Spanish flu is the only type that can transmit from human to human. The H5.N1, or “bird flu” does not transfer between humans, but it occurs in a few cases when it evolves. Bird flu seems to be the same as the Spanish flu, but in new arrangement which means some changes must happen to the virus in order to pass between humans. Apparently, we misconceive the mechanism that the virus works so it appeared again. To lessen the damage from these viruses we need to understand the structure and the mechanism of how the virus spread. The H5.N1 virus has transmitted to humans since 1997. We all know that virus consists of 16 genes which are a small unit made up of RNA (ribonucleic acid) that carry all characters from one generation to another. These viruses are adopted inside the genome of the birds like ducks. These animals are

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